SCIENTIFIC   BOOKS
Experimental  Zoology.    By   Thomas   Hunt

Morgan.     New York, The Macmillan Co.

1907.    Pp. xii + 454.

The field of experimental zoology has of
late years been greatly extended and includes
problems of widely different nature. The
title of this book justifies the expectation of
finding between the covers an attempt to bring
together the results of experiment in the vari¬
ous fields and at the same time raises in the
mind of the reader the question as to how the
author has found it possible to treat ade¬
quately in some four hundred and fifty pages
the data and problems involved. This ques¬
tion is answered in part, however, by the
preface and table of contents, fro'm which it
appears that experimental embryology, regula¬
tion and animal behavior are not included
within the scope of the book because, as the
author states, they have recently received full
consideration and, furthermore, would require
too much space to be included in a single
volume.

In short, the book treats primarily of those
subjects and problems of experimental zoology
which have not been considered in other books.
This limitation necessarily defines its scope in
a somewhat arbitrary manner and without
relation to the problems involved. It is a fair
question, therefore, whether te subject-matter
of the book justifies its title: it would seem
that some less inclusive title would have been
more fitting.

In the preface the author states that
 

APR  I 0 1930