ERRATA. 
P. 200, 5th line fr. bot. after presiding, read over the Math. and Phys. Section.— 
P. 207, 4th line fr. top, for 1837, read 1835.—P. 216, 4th line from bot. for Para- 
cels, read Pratas.—P. 325, last lime; for commenced, read enumerated.—P. 374, 6th 
line from bot. for It it, read It is—P. 400, 13th ae from bot. for Moranies, nied 
ines. 
* 
_ Fossils of the Medial Tertiary of the United States, by Mr. T. A. Conrad.— 
of Iphia, in a letter dated Dec. 31, 1838, (received after our wiadien 
number was printed,) announces that he has published. the first part of this new 
work of Mr. Conrad. It will be completed in about 15 months, in 3 parts. The 
first No. contains 17 plates, and 47 species. He will again visit the Tertiary re- 
gion, and give a detailed description s the various localities in a future number. 
The price of the whole, will be $ 4 
2 
4 
