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STEM

From Lint’s Library

Our Summer Migrants

by James Edmund Harting

5 minute read

One of the earliest of our feathered visitors to arrive is the Wheatear, which comes to us as a rule in the second week of March; and, although individuals have been seen and procured occasionally at a much earlier date, there is reason to believe that the spring migration does not set in before this, and that the birds met with previously are such as have wintered in this country; for it has been well ascertained that the Wheatear, like the Stonechat, occasionally remains with us throughout the year. It is a noticeable fact that those which stay the winter are far less shy in their habits, and will suffer a much nearer approach. The name Wheatear may have been derived either from the season of its arrival, or from its being taken in great numbers for the table at wheat harvest. Or, again, it may be a corruption of...

The Snakes Of Europe

by George Albert Boulenger

5 minute read

Snakes, Ophidia —regarded by some authorities as an order of the class Reptilia , by the author as a sub-order of the order Squamata , which includes besides the Lizards, Lacertilia , the Chameleons, Rhiptoglossa , and the extinct Dolichosauria and Mosasauria —may be defined as greatly elongate scaly Reptiles without limbs, or with mere vestiges of the hind pair, without movable eyelids, without ear-opening, with elongate, deeply forked tongue retractile into a basal sheath, with transverse vent and paired copulatory organs, and with the two halves of the lower jaw independently movable, connected at the symphysis by an elastic ligament. The latter character alone distinguishes them from all Lizards, but no single Lizard possesses all the others in combination. In their most highly developed form these Reptiles are adapted for rapid reptation and for swallowing prey much exceeding their own calibre; hence the bones of the skull, on which...

Bromide Printing And Enlarging

by John A. Tennant

7 minute read

A PRACTICAL GUIDE TO THE MAKING OF BROMIDE PRINTS BY CONTACT AND BROMIDE ENLARGING BY DAYLIGHT AND ARTIFICIAL LIGHT, WITH THE TONING OF BROMIDE PRINTS AND ENLARGEMENTS TENNANT AND WARD NEW YORK Copyright 1912 by TENNANT AND WARD, NEW YORK Contents What is bromide paper? It is simply paper coated with gelatino-bromide of silver emulsion, similar to that which, when coated on glass or other transparent support, forms the familiar dry-plate or film used in negative-making. The emulsion used in making bromide paper, however, is less rapid (less sensitive) than that used in the manufacture of plates or films of ordinary rapidity; hence bromide paper may be manipulated with more abundant light than would be safe with plates. It is used for making prints by contact with a negative in the ordinary printing frame, and as the simplest means for obtaining enlarged prints from small negatives. Sometimes bromide paper is...

Selected Records Of Reptiles And Amphibians From Kansas

by John Breukelman

19 minute read

Preparation of a handbook of reptiles and amphibians by the junior author has led to a survey of the collections of these animals at Kansas State Teachers College in Emporia. Numerous locality records of interest and importance have been accumulated there through the efforts of the senior author and a number of his students, particularly Mr. Allen Downs. The more important records, including the first record for Kansas of Rana sylvatica , are reported here. We have not mentioned specimens that are from counties from which the University of Kansas Museum of Natural History already has specimens. Specimens examined by Smith are indicated by an asterisk; those identified by the late Dr. F. N. Blanchard are indicated by an encircled period (none of these specimens are now available). All other specimens here recorded have been examined either by the senior author or by Mr. Allen Downs, or by both. Specimen...

A Modern Zoroastrian

by S. (Samuel) Laing

8 minute read

Experiment with magnet—Principle of polarity—Applies universally—Analogies in spiritual world—Zoroastrian religion—Changes in modern environment—Require corresponding changes in religions and philosophies. Scatter a heap of iron filings on a plate of glass; bring near it a magnet, and tap the glass gently, and you will see the filings arrange themselves in regular forms. If one pole only of the magnet is brought near the glass the filings arrange themselves in lines radiating from that pole. Next lay the bar-magnet on the glass so that the filings are influenced by both poles; they will arrange themselves into a series of regular curves. In other words, the Chaos of a confused heap of inert matter has become a Cosmos of harmonious arrangement assuming definite form in obedience to law. As the old saying has it, that ‘every road leads to Rome,’ so this simple experiment leads up to a principle which underlies all existence...

Mushroom And Toadstools

by Worthington George Smith

11 minute read

Perhaps no other country can vie with Great Britain in the vast number of edible species of fungi that may be gathered during all seasons of the year, from one end of the land to the other. The pastures and woodlands literally teem with them; they are, however (sad to say), little known, sadly neglected, or looked upon with unmerited suspicion. The literature, too, of the subject is so small, and the scientific part of the study so extremely difficult to begin, that few persons dare venture to test the qualities of any fungus except the meadow mushroom, and instances are common enough where even this species is rejected. It is apparent that no one can be a sure guide to others who is not himself a “regular fungus eater ,” and that no descriptions can be of value, or drawings of use, unless they are taken with the greatest...

The Log Of The Sun: A Chronicle Of Nature's Year

by William Beebe

7 minute read

No fact of natural history is more interesting, or more significant of the poetry of evolution, than the distribution of birds over the entire surface of the world. They have overcome countless obstacles, and adapted themselves to all conditions. The last faltering glance which the Arctic explorer sends toward his coveted goal, ere he admits defeat, shows flocks of snow buntings active with warm life; the storm-tossed mariner in the midst of the sea, is followed, encircled, by the steady, tireless flight of the albatross; the fever-stricken wanderer in tropical jungles listens to the sweet notes of birds amid the stagnant pools; while the thirsty traveller in the desert is ever watched by the distant buzzards. Finally when the intrepid climber, at the risk of life and limb, has painfully made his way to the summit of the most lofty peak, far, far above him, in the blue expanse of...

Life And Adventures Of Frances Namon Sorcho

by Captain Louis Sorcho Great Deep Sea Diving Co.

8 minute read

Just how far back the art of sub-marine diving dates, is a matter of conjecture, but until the invention of the present armor and helmet in 1839, work and exploration under water was, at best, imperfect, and could only be pursued in a very limited degree. The armor of to-day consists of a rubber and canvas suit, socks, trousers and shirt in one, a copper breastplate or collar, a copper helmet, iron-soled shoes, and a belt of leaden weights to sink the diver. The helmet is made of tinned copper with three circular glasses, one in front and one on either side, with guards in front to protect them. The front eye-piece is made to unscrew and enable the diver to receive or give instructions without removing the helmet. One or more outlet valves are placed at the back or side of the helmet to allow the vitiated air to...

'Murphy': A Message To Dog Lovers

by Ernest Gambier-Parry

9 minute read

Yes. He was born in the first week of June, in the year 1906. Quite a short while ago, as you see—that is, as we men count time—but long enough, just as a child’s life is occasionally long enough, to affect the lives—ay, more, the characters—of some who claimed to be his betters on this present earth, with certainties in some dim and distant heaven that might or might not have a corner here or there for dogs. His parentage was that of a royal house in purity of strain and length of pedigree, and he first saw the light in the yard of a mill upon the river, where the old wheel had groaned for generations or dripped in silence, according as the water rose or fell, and corn came in to be ground. There were others like him in appearance in the yard; on the eyot on which...

Geographic Range Of The Hooded Skunk, Mephitis Macroura

by Walter Woelber Dalquest

6 minute read

The hooded skunk, Mephitis macroura Lichtenstein, can be distinguished from the only other species in the genus, Mephitis mephitis Schreber, by the larger tympanic bullae, in the white-backed color phase by having some black hairs mixed with the white hairs of the back, and in the black-backed phase by having the two white stripes widely separated and on the sides of the animal instead of narrowly separated and on the back of the animal. The starting point for taxonomic work with Mephitis is A. H. Howell's "Revision of the skunks of the genus Chincha (N. Amer. Fauna, 20, 1901)." Of the species Mephitis macroura , Howell ( op. cit. ) recognized three subspecies: M. m. macroura , M. m. milleri , and M. m. vittata . The species M. macroura is restricted to the arid region made up mostly of the Mexican Plateau. Also, wherever the species occurs beyond this...

The Pencil Of Nature

by William Henry Fox Talbot

16 minute read

And why should it not be possible? I asked myself. The picture, divested of the ideas which accompany it, and considered only in its ultimate nature, is but a succession or variety of stronger lights thrown upon one part of the paper, and of deeper shadows on another. Now Light, where it exists, can exert an action, and, in certain circumstances, does exert one sufficient to cause changes in material bodies. Suppose, then, such an action could be exerted on the paper; and suppose the paper could be visibly changed by it. In that case surely some effect must result having a general resemblance to the cause which produced it: so that the variegated scene of light and shade might leave its image or impression behind, stronger or weaker on different parts of the paper according to the strength or weakness of the light which had acted there. Such was...

The Accomplisht Cook

by Robert May

18 minute read

H E is an Alien, a meer Stranger in England , that hath not been acquainted with your generous House-keepings; for my own part my more particular tyes of service to you my Honoured Lords, have built me up to the height of this Experience, for which this Book now at last dares appear to the World; those times which I tended upon your Honours were those Golden Days of Peace and Hospitality when you enjoyed your own, so as to entertain and releive others. Right Honourable, and Right Worshipful, I have not only been an eye-witness, but interested A3v by my attendance; so as that I may justly acknowledge those Triumphs and magnificent Trophies of Cookery that have adorned your Tables; nor can I but confess to the world, except I should be Guilty of the highest Ingratitude, that the only structure of this my Art and knowledge, I owed to...

Eleanor Ormerod, Ll. D., Economic Entomologist: Autobiography And Correspondence

by Eleanor A. (Eleanor Anne) Ormerod

11 minute read

I was born at Sedbury Park, in West Gloucestershire, on a sunny Sunday morning (the 11th of May, 1828), being the youngest of the ten children of George and Sarah Ormerod, of Sedbury Park, Gloucestershire, and Tyldesley, Lancashire. As a long time had elapsed since the birth of the last of the other children (my two sisters and seven brothers), my arrival could hardly have been a family comfort. Nursery arrangements, which had been broken up, had to be re-established. I have been told that I started on what was to be my long life journey, with a face pale as a sheet, a quantity of black hair, and a constitution that refused anything tendered excepting a concoction of a kind of rusk made only at Monmouth. The very earliest event of which I have a clear remembrance was being knocked down on the nursery stairs when I was three...

Literary Pilgrimages Of A Naturalist

by Winthrop Packard

12 minute read

Glimpses of the Country about the Daniel Webster Place Down in Marshfield early morning brings to the roadside troops of blue-eyed chicory blooms, shy memories of fair Pilgrim children who once trod these ways. They do not stay long with the wanderer, these early morning blooms. The turmoil and heat of the mid-summer day close them, but the dreams they bring ramble with the roads in happy freedom from all care among drumlins and kames, vanishing in the flooding heat of some wood-enclosed pasture corner to spring laughingly back again as the way tops a hill and gives a glimpse of the purple velvet of the sea. No wonder Peregrine White, the first fair-skinned child born in New England, strayed from the boundaries of Plymouth and chose his home here. No wonder Daniel Webster, New England’s most vivid great man, wandering southward over the hills in search of a country...

Woodworking Tools 1600-1900

by Peter C. Welsh

5 minute read

This history of woodworking hand tools from the 17th to the 20th century is one of a very gradual evolution of tools through generations of craftsmen. As a result, the sources of changes in design are almost impossible to ascertain. Published sources, moreover, have been concerned primarily with the object shaped by the tool rather than the tool itself. The resulting scarcity of information is somewhat compensated for by collections in museums and restorations. In this paper, the author spans three centuries in discussing the specialization, configuration, and change of woodworking tools in the United States. The Author: Peter C. Welsh is curator, Growth of the United States, in the Smithsonian Institution's Museum of History and Technology. I n 1918, PROFESSOR W.M.F. PETRIE concluded a brief article on "History in Tools" with a reminder that the history of this subject "has yet to be studied," and lamented the survival of...

Additional Records And Extensions Of Known Ranges Of Mammals From Utah

by Stephen David Durrant

15 minute read

BY STEPHEN D. DURRANT, M. RAYMOND LEE, AND RICHARD M. HANSEN University of Kansas Lawrence 1955 BY STEPHEN D. DURRANT, M. RAYMOND LEE, AND RICHARD M. HANSEN The Museum of Zoology, University of Utah, contains approximately 5000 specimens in addition to those available to Durrant (1952) when he prepared his account of the "Mammals of Utah, Taxonomy and Distribution ." Study of this material discloses two kinds of mammals not heretofore known to occur in Utah, and extends the known limits of occurrence of many others as is set forth below in what may be thought of as a supplement to the aforementioned report of 1952. Our study was financed in part by a grant from the National Science Foundation. Sorex vagrans obscurus Merriam. Dusky Shrew.—Twelve specimens are available from the Abajo Mountains and Elk Ridge, San Juan County, Utah, as follows: North Creek, 6 mi. W Monticello, 8300 ft.;...

Ocean Gardens. The History Of The Marine Aquarium

by Henry Noel Humphreys

9 minute read

The wonders of the ocean floor do not reveal themselves to vulgar eyes. As the oracle was inaudible to sacrilegious listeners, and as none but poetic ears heard the cadenced beating of the feet that danced to unearthly music, near the fountain haunted by the Muses of classic fable—so, none but the initiated can see the myriad miracles that each receding tide reveals on the ocean floor. The initiation, however, is not mysterious; there are no dark rites to observe—no Herculean labours to accomplish, before entering upon the noviciate, which at once opens a large area of unexpected pleasures, and an ample field for admiration and investigation. A few elementary works carefully studied, or even this present little book attentively perused, would supply the first helps towards seeing , at all events, a portion of the “wonders of the shore,” as the brilliant author of “Glaucus” has eloquently termed those...

In The Christmas Woods

by Adeline Knapp

11 minute read

When Nature decides that her Christmas gift to us shall be a rainstorm, she does not send any niggardly shower. It is raining in earnest; not the swift, drenching downpour of earlier winter, that washes the earth of its summer garb of dust, nor the small rain upon the tender grass of Springtime, but a steady, penetrating descent of water from a leaden-gray sky, with the wind in the South. It is good for all day. My farmer neighbor cocks a shrewd eye skywards and says it is “raining twenty-dollar-gold-pieces,” and he ought to know. From my window I watch the beneficent downpour and think of the white, feathery snowflakes that, in my Eastern home, always made Christmas day seem to me so much more the orthodox festival than rain can possibly do; yet it may have rained on that first Christmas day when Hope was born into the world....

Wild Pastures

by Winthrop Packard

13 minute read

WAYLAYING THE DAWN T HE most beautiful place which can be found on earth of a June morning is a New England pasture, and fortunate are we New Englanders who love the open in the fact that, whatever town or city may be our home, the old-time pastures lie still at our very doors. The way to the one that I know best lies through the yard of an old, old house, a yard that stands hospitably always open. It swings along by the ancient barn and turns a right angle by a worn-out field. Then you enter an old lane leading to what has been for more than a century a cow pasture. Here the close-cropped turf is like a lawn between the gray and mossy old stone fences that the farmer of a century and more gone grubbed from the rocky fields and made into metes and bounds....

The Netherworld Of Mendip

by Ernest A. (Ernest Albert) Baker

21 minute read

THE CAVE DISTRICT OF THE MENDIPS "A land of caves, whose palaces of fantastic beauty still adorn the mysterious underworld where murmuring rivers first see the light." In these words an imaginative writer describes Somerset, which shares with Derbyshire and Yorkshire the title of a land of caverns. Across it the range of the Mendips, a region of Old Red Sandstone and Carboniferous Limestone, 1000 feet above tide-level, stretches in a huge, flat-topped rampart for nearly 30 miles, from the town of Frome to the sea. No piece of country in the kingdom offers so much to explore. An abundant harvest is there waiting to be reaped; for on every side are obvious indications of half-buried gateways to the dark and secret pathways to the netherworld, and everywhere upon the surface of the Mendip tableland lie the open pits and hollows which the local speech calls "swallets," that is to...