332 The American Naturalist.’ 
In the 23d Report of the New York State Museum, pp. 230- 
239, Charles Schuchert has: On Syringothyris, Winchell, and 
its American Specjes; and List of the American Paleozai Orthis, l 
Spirifera, Spiriferina, and Syringothyris. 
B. Shimek discusses the Löss and Its F ossils, in the Bulletin di T 
the Laboratories of Natural History of the State onver of 
Iowa, Vol. I., pp. 200-214, and Vol. II., pp. 89-08. 
G. B. Simpson has Descriptions of New Species of Fossils i in 
the Transactions American Philosophical Society, Vol. XVI, Pe 
435-460. 
J. B. Tyrrell incidentally refers to certain fossils from the Crate > 
ceous of Manitoba; American Journal of Science (3), Vol. Xb i 
pp. 227-232. Aiso has Foraminifera and Radiolaria from the 
Cretaceous of Manitoba, in the Transactions of the Royal 
Society of Canada, Vol. VIII., Sec. iv.; pp. 111-115. 7 
American Paleozoic Spoges and Braa are described by E. 
O. Ulrich in the Geological Survey of Illinois, Vol. VIIL, pp- 
209-678 ; also New Lamellibranchiata, in American Geologist, 
Vol. V., pp. 270-284, and Vol. VI. pp. 173-181, and 382-389. 
A. W, Vogdes issues as Bulletin 63 of the U. S. Geologiak 
Survey, Bibliography of Paleozoic Crustacea. 
Charles Wachsmuth and Frank Springer have New Species of 
Crinoids and Blastoids from the Kinderhook Group of Lower 
Carboniferous Rocks at Le Grand, Iowa, and A New Genus from 
Niagara Group of Western Tennessee, in Geological Survey 
Ilinois, Vol. VIII, pp. 155-208; also, Peristomic Plates w 
Crinoids, in Proceedings Academy of Natural Sciences, Philadel 
phia, 1890, pp. 345-392. 
Charles D. Walcott has, in the Proceedings U. S. National 
Museum, Vol. XIII., pp. 266-279: Descriptions New Forms 0 
Upper Cambrian Fossils: and in Bulletin Geological Society d 
_ America, Vol. I., pp. 335-356, The Value of the Term “ Hudson 
River Group” in Geological Nomenclature; also; A»Review 
Dr. R. W. Ells’ Second Report on the Geology of a Portion 
the Province of Quebec, with Additional Notes on the 
Group, in the American Journal of Science, Vol. XXXIX, PP 
‘IOI-I15. 
