I A zoo can be a rather depressing place, or it can be a lot of fun, or it can be so dull as to make the mind wander elsewhere in self-defense. In fairness to Emeraude, Robin Lampert had to concede that this one was not quite in the last group. He had been able to keep his attention on the exhibits. This was, in a way, surprising; for while a frontier town has a perfect right to construct and maintain a zoo if it wishes, one can hardly expect such a place to do a very good job. The present examp