1889.] Recent Books and Patnphleis. 55S 
in all its phases ? Would it not have been far better to have 
rounded out these collections with judicious additions, than to 
have made a separate, iusufficient exhibit ?" 
In a corner of the centre gallery of the Liberal Arts wing 
may be found a cast of Phenaeodiis primcsvus Cope, exhibited 
by its discoverer. If P. primceviis could think, it would, like 
the Doge of Genoa at Versailles, be more surprised " to see 
itself there" than at anything else. 
The aquarium in the Trocadero Gardens is well-stocked 
with a lively crowd of Cyprinidae and Salmonidae, including 
California salmon, but it has no marine animals. — W. N. L. 
A course of six lectures on human embryology has lately 
been completed at Cornell University by Prof Charles Sedg- 
wick Minot, of Harvard Medical School; intended to supple- 
ment the practical course in chick development, given a year 
ago by Associate Professor Gage (who is in Europe this 
Spring). These lectures presented clearly the history of the 
ovum, karyokenisis, the germ layers, and the formation of 
certain organs, especially the heart. The closing discourse, 
on Theories of Heredity, was given on Thursday, the 9th of 
May, before a large audience of professors, trustees, advanced 
students and physicians. 
RECENT BOOKS AND PAMPHLETS. 
Means of Teaching Language 
Boettger, Otto Von.~-\]hQx die Reptilian und Batrachier Tran- 
scaspiens. Separat Abdruck aus dem Zoologischer Anzeiger. 
Boulenger, G. A.— On the Chelydroid Chelonians of New Guinea. 
Description of a New Batrachian of the Genus Eupemp/iix 
from Trinidad. Extract from the Annals and Magazine of Nat. 
Hist, for April, 1889. 
