Miscellanies. 399 
7. New Works received. 
From motives of convenience we have omitted, on the present 
occasion, our usual list of acknowledgments ; but we are unwil- 
ling to postpone the mention of the following works, which have 
been presented since our last number. 
1. Geological Report on the State of New York, continued 
from last year, being State Document, No. 275; communicated 
to the Legislature of the State, by Gov. Seward, Feb. 27, 1839. 
pp. 851. Copies from L. Vanuxem, E. Emmons, and B. D. Sil- 
liman. 
2. Geological Report on the State of Michigan in continuation, 
Doc. No, 23, Feb. 4, 1839, by Douglass Houghton, State Geolo- 
gist. pp. 123. From A. Sager, and a second copy to the Yale 
Nat. Hist. Society. 
3. Second Annual Report on the Geological Survey of the 
State of Ohio, by W. W. Mather, and several assistants. Colum- 
bus. 1838. From C. B. Goddard, Esq. 
4, First and Second Annual Reports on the Geological Sur- 
vey of Virginia, for 1836 and 7, by and from Prof. Wm. B. Ro- 
gers. Univ. Virg. pp. 87. 
5. Report on the Geological Survey of Virginia, Doc. No. 56, 
in continuation, for 1838, by and from Prof. Wm. B. Rogers. 
Univ. Virg. pp. 32, quarto. 
6. Annual Report of the Geologist of Maryland. 1838. pp. 33. 
7. Report on the Geology of Indiana, 1837-8, by D. D. Owen, 
State Geologist. pp. 54. 
8. Third Annual Report of the Geological Survey of Pennsyl- 
Vania, by and from Prof. H. D. Rogers, State Geologist. 1832. 
pp. 118. 
9. Trans. Am. Phil. Soc. Phil. Vol vi, Part I. 1838. p. 152. 
From the Society. 
10. Third edition in quarto of the catalogue of shells in the 
collection of Dr. John C. Jay, N. Y., 1839. 2 copies. From the 
author to B. Silliman, Jr., and to the ¥ale Nat. Hist. Society. 
11. The Silurian System founded on Geological Researches 
in the counties of Salop, Hereford, Radnor, Montgomery, Caer- 
marthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester, 
4 
