284 Scientific Intelligence, 
case of doubts, oe the identity of a newly discovered species, cannot 
be overrated, and we would particularly call the attention of all the 
iladial of Miesdine i this point. The chief value of many of the 
museums of Europe arises from the circumstance that they, contain the 
Sect eecriens described by the naturalists who have brought our 
science to its present condition. In this respect, we cannot commend 
too highly the catalogues of birds and eggs, published by the Acacores 
of Nat. moe i of Philadelphia, drawn up by John Cassin ese - 
Heerman, Esq. 
4. Bulletin de la Société impériale des So edenaeeed sie Mosco ow, 
publié sous la redaction du Dr. Renard. Moscow, 1852. —This 
periodical contains papers upon almost every department of Natural 
History. é ini 
5. Jahresbericht des watienmtisenschasilichern Vereins in Halle. Ber- 
lin, 1852. 8°—Touches upon a variety of topics in various pte 
ments of Nat. Hist. 
6. ae der Kaiserlichen Academie der Wateuswchisftis 
Wien, 1852, 8°.—Like the proceedings of other academies, contains 
short abstracts of the papers presented to the oe Academy of 
7. Wurtembergische naturhistorische Jahreshefte. 9th vol, mene 
gardt, 1853. 8°. Conducted by Prof. H. v. Mohl, Pr. Flieninger, Pr. 
Fehling, Dr. W. Menzel, and Pr. Krauss in Stuttga ardt.—This and the 
preceding volumes sbi. very valuable papers upon mean: com- 
parative oe Paleontology and Botany » A 
8. Zeitschrift fir wissenschaftliche Sibhigho, loruungapati von 
Prof. C. Th. v. Siebold it. Alb. Kélliker. 4th vol. Leipzig, 1853. 8°.— 
The most important recent Journal of comparative Zoology and Anat- 
omy ; contains numerous illustrations. 
9. De Phomme et des races humaines, par H. Hotiarp. Paris, 1 1858. 
1 vol. 12°.—A work intended to prove the origin of all mankind from 
a single pair, and also to illustrate the varieties of men as derived i in the 
course of time from a common stock. These views may satisfy those 
who seek merely for arguments in favor of an opinion genera ly re- 
ceived, without taking into consideration the range of facts in —_— 
bearing upon this important subject. 
1 ie Geographische Verbreitung der Thiere, von L. K. Semele 
pa. Wien, 1853. 8°. 3 parts.—The first t comprehensive treatise OD 
the Rte for distribution of animals, including all classes of the an- 
imal kingd A. 
istoire Naturelle des eet Ptéropodes, par MM. Rane 
and Sov. Paris, 1852. 1 vol. fol.A beautiful monograph © 
all the Pieropedons Molléscs known to this day, with 15 ern 
lates. 
2 12. Bilder atis dem Thierleben, von Cart Voer. Frankfurt, 1852. 
of fossils in former geological periods. This, and the other works of i 
the author, show him to be thoroughly acquainted with the questions 
