Bibliography. 308 
frequently h 
M 
the Transactions of the American Phil. Soc., vol. x; by Joser# 
ish M.D. 4to, with 9 lithographic plates.—Dr. Leidy has m 
large contributions to our knowledge of the ancient Mammalia of this 
e 
core page. The memoirs whose titles are above cited, contain 
4 "iptions of other species. Of American Fossil Ox, he enumerates 
Species, Bison latifrons, L., (Bos latifrons, Harlan,) Bison antiquus, L., 
lithe : of Sus. The 
®t plates illustrating these papers are excellent, and exhibit 
ue care and precision in the drawings. : 
re Proceedings of the Academy of Natural Sciences of Philadel- 
id +The Proceedings of thé Academy are issued every two months 
taj make every two years, a volume of 350 to 400 pages. They con- 
* he large amount of matter on Zoology and other sciences, including 
é rous descriptions of new species, and announcements of new facts, 
hg ag by some of the ablest scientific investigators in the United 
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pide es five volumes 8 dollars. Address Dr. Wm. 8. Zantzinger, 
ca, ats Esq., Philadelphia. 
~ M Werner, Ph. D.: Chemical Examination of Two Minerals from the 
: a of Reading, Pa., and on the occurrence of Gold in Pennsylvania ; 
hs 4 new variety of Asphalt, Melan-asphalt. From the Trans. Amer. Phil. 
it our and 8 Pp- 4to.—These and other papers of Dr. Wetherill we shall cite from 
8. Ma : Experiments on the Artificial production of Crystallized Mine- 
Tnaugural Dissertation on Promotion to the rank of Doctor of Philosophy 
Augusta University. 32 pp., 8vo. Géttingen, 1852.—This important 
aia ‘ 
Orchard, Rural Architecture, The Fireside, 
The Garden and ‘ 
if paid in 2 50 if not paid in 
2 
