the professional student. The work consists of five papers, the 
first of which discusses the power of a court to declare a law 
unconstitutional. Two of the papers deal with the growth and 
essential character of political parties, and are followed by one 
on the history of differing theories of the federal Union. The 
work concludes with a discussion of the written constitution in 
some of its historical aspects, taking up the origin of these docu- 
ments and the problems of their maintenance and interpretation 
in the development of the modern popular state. 
-Harvard Law Review. To the reviewer the two papers first mentioned seem 
to be contributions of great and permanent value to the discussion of 
their topics. = 2) The style of these essays is easy and delightful and 
their argument sane, thoughtful, and persuasive. 
Political Science Quarterly. Professor McLaughlin, in this most important 
essay under review, has surveyed the field anew, and with rare appre- 
ciation of the purport and the weight of evidence has contributed a 
judgment which may well be regarded as definitive. 
Heredity and Eugenics. By John M. Coulter, William E. Castle, 
Edward M. East, William L. Tower, and Charles B. Davenport. 
312 pages, 8vo, cloth; $2.50, postpaid $2.70 
Leading investigators, representing the University of Chicago, 
Harvard University, and the Carnegie Institution of Washington, 
have contributed to this work. Great care has been taken by 
each contributor to make clear to the general reader the present 
position of evolution; the results of experiments in heredity in 
connection with both plants and animals; and the enormous 
value of the practical application of these laws in breeding and in 
human eugenics. The volume is profusely illustrated. 
British Medical Journal. Those who are desirous of arriving at an estimate 
of the present state of knowledge in all that concerns the science of 
genetics, the nature of the experimental work now being done in its 
various departments, . . . . and the prospects, immediate or remote, 
of important practical applications, cannot do better than study 
Heredity and Eugenics. 
