1890.] American Invertebrate Paleontology. 133 
Distribution of Spirifera parryana Hall. Both in the Bulletin of 
the Laboratories of Natural History of the State University of Iowa. 
H. J. Carter sketches the History of known Fossil Sponges in 
Relation to those of the Present, in which some general consid- 
erations respecting classification are brought out. Also, Further 
Observations on the Foraminiferal Genus Orbitoides of d'Orbigny. 
The first is in the October, and the second in the March, number 
of the Annals and Magazine of Natural History. 
A valuable morphological memoir on the Development of some 
Silurian Brachiopoda, by J. M. Clarke and Charles E. Beecher, 
forms Part 1., Vol. I., of the Memoirs of the New York State Mu- 
seum. Inthe Forty-second Annual Report N. Y. State Museum 
the first author has: The Genus Bronteus in the Chemung Rocks 
of N. Y.; The Hercynian Question ; and a List of Species con- 
stituting the known Fauna and Flora of the Marcellus Epoch in 
the State of New York. 
William F. Cooper gives a Tabulated List of Fossils known to 
occur in the Waverly of Ohio. Bulletin Denison University, 
Vol. IV. pp. 123-130. 
William H. Dall,in a paper on the Hinge of Pelecypods and 
its Development, with an Attempt toward a better Subdivision of 
the Group, seeks more immutable criteria than generally adopted, 
for the systematic arrangement of the class. American Journal of 
Science for December. 
William Dawson has a Note on Saccamia eriana in the Ameri- 
can Journal of Science for April; and on Fossil Sponges from 
the Beds of the Quebec Group of Sir William Logan, in the 
Canadian Record of Science for July. 
In the Annals and Magazine of Natural History for March, P. 
Martin Duncan considers some Points in the Anatomy of the 
Species of Palæechinus; and a proposed classification. The 
genus is limited, and two North American forms referred to the 
group as now restricted. 
A. F. Foerste notes some Cambrian Fossils from the Limestone 
of Nahant, Mass. Proc. Boston Soc. Nat. Hist., p. 291. 
The Geological Department of the British Museum publishes 
Part 1. of an exhaustive Catalogue of the Fossil Cephalopods, by 
