Published under the authority of the Secretary of State for India in Council. EDITED BY A. E. SHIPLEY, M.A., Sc.D., HON. D.Sc., F.R.S....

superintendent and trustee ( ex officio ) of the indian museum, fellow of the asiatic society of bengal and of the calcutta university.   LONDON: TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. August , 1911. PRINTED AT TODAY & TOMORROW'S PRINTERS & PUBLISHERS, FARIDABAD Dr. N. Annandale's volume on the Freshwater Sponges , Polyzoa , and Hydrida contains an account of three of the chief groups of freshwater organisms. Although he deals mainly with Indian forms the book contains