Zoology. 285 
now under discussion among naturalists; but we shrink with disgust 
from his cynicism and atheistic philosophy. Teaighe 
13. Entwicklungsgeschichte des Meerschweinchens, von Dr. Tu. L. 
W. Biscuorr. Giessen, 1852. 4°.—Another of those masterly mon- 
take, for the benefit of American Naturalists. We would recommen 
that most of the earlier embryological works be equally translated, for 
no one ought to proceed in these investigations without consulting the 
works of Pander, Baer, Rathke, &c., Wc., which are hardly to be seen 
in any American library, though they constitute now the basis upon 
which modern physiology has been renovated. L. As 
14, Naturwissenschaftliche Reise nach Mossambique, von W. C. A. 
Perers. Part 1, Mammalia, 200 pages, 4°, with 46 plates. Berlin, 
1852.—In the year 1842, the King of Prussia granted to Dr. Peters 
the means of undertaking a scientific expedition into regions of Africa 
peculiar forms of | own to inhabit Madagascar, such 
Makis, were also to be found upon the opposite coast of Africa, or not, 
was a question no body could answer before the invaluable researches 
: nee 
Makis alive from Anjoana, one of the Comoro Islands. The minute- 
ness of the descriptions of Chiroptera and Insectivora deserves particular 
notice, for many of the species of these families enumerated in our 
hrysochloris and Macroscelis, to the cosmopolite genus Sorex, 2 to 
two genera, Petrodromus and. Rhyncocyon, first described by Dr. Pe- 
ters himself, from Mossambique. How truly African this country is, 
