448 BOOKS RECEIVED. 
one representing an almost complete skull of an animal, which he 
characterized under the name of Agriocherus latifrons. 
rof. Ennis inquired whether remains of the Hippopotamus had 
been found in this country. Dr. Leidy replied that no evidence ex- 
isted of the animal, though Mr. J. A. Conrad had at one time a tooth 
which E considered to have belonged to the Hippopotamu 
April 9, 1867. — Professor H. C. Wood, jr., presented a peee en- 
titled, aen of New Species of Texan Myriapoda.” 
A as read from Isaac Lea, LL. D., on two new. —— 
(Lesleyite and SRR oe Chester county, Pennsylva 
Professo f the ‘Geological Changes ba from 
the rise ba = at the Ocean level;” also upon the *‘ Natural History 
of Man 
Pratat Cope exhibited several vertebræ of a new species n 
Gavial ( Thoracosaurus Biibaa Cope), from the cretaceous marl o 
Burlington nn y, New Jer 
April 23, 1867.— Mr. J. caiit read a paper entitled, “A third Study 
of the D c nea Icterinæ 
BOOKS RECEIVED 
Petroleum in h America. By amaa ds = Hitchcock. (Extracted from 
the Geological Fido Boe eae 1867.) 8vo, 
account of Barettia, a kai pae Shell from the Hippu 
Limestone pi Jamaica. By S. Pp Woodward. Reprinted from the Geologist, 1502. 
ben 1, 2. Svo, PP- 8. 
bastante n the Structure of the Xiphosura, having reference to their tte 
snip with the Burypteriden By Henry Woodward. (From the Quarterly: Journ 
of the psa Society for COn, 1867.) Plate 1, 2. 8vo, pp. 
Some Observations on the Zoantharia Rugosa. By Gustave phates Ph.D. bs? 
plate. (Extracted from the Geological Magazine, Aug. and Sept., 1866.) 8v0, pp. 14. 
Quarterly Journal of Science. ake 1867. London 
Results of Meteorol ker Clear made at Brunswick, Maine, between Ly 
and 1809. By Parker ieaveland, L LLD. Reduced and discussed by Charles 
Schott. From the mian Contributions. 
Fie dnerican japo parga Gazette. Vol. h No. 13, July, August, 1 
The Chemical News and Journal of Physical Science. Vol. I. No.1, 2. July, Av- 
Prize Essay on Medical and Vital Statistics. By F. B. Hough, M.D. Albany, 
1867. 8yo, pp. 37. 
a on Wilson's Readers. Bac kicker Haldeman. 1866. 8vo, pp. 24- 
Survey of Preliminary Notice of New Genera and Species 
ses O. A. White, M. D D., State Geologist, ats. H. St. John, Assistant. 
i a ‘By John Cassin. 1867. 8vo, pp. 74- 
of Plants observed near Philadelphia. By Aubrey H. Smith. 1867. 
_ Revista de Educacion, bibliografia i Agricultura, bajo ‘los Aus- 
a. Volumen I. Nueva York, 1867. 8vo. 
Farm and the Sea, and other familiar Chemical Essays. By J- B- 
