134 The American Naturalist. [February, 
Arthur Foord. The portion issued embraces seven families, of 
= which are carefully drawn up the characters of each genus. 
James Hall discusses some Crustacean Tracks from the Potsdam 
Sandstone of Port Henry, N. Y., in the Annual Report of the 
New York State Museum. The State Geologist’s Report was 
also issued separately in an edition of eight hundred copies. 
C. L. Herrick describes about forty new species, and considers 
others, in Lists of Waverly Fossils. Bulletin Denison Univer- 
sity, Vol. IV., pp. 11-60, and continued on pp. 97—123. In the 
American Geologist for February the same writer has Notes on 
the Waverly Group of Ohio. 
Robert T. Hill publishes a chapter on the Palzontology of the 
Trinity Division in the Neozoic Geology of Southwestern Ar- 
kansas (Vol. II., Ann. Rept. Ark. Geol. Sur); Paleontology of 
the Cretaceous Formations of Texas, Part 1.; and a Check List 
of the Invertebrate Fossils from the Cretaceous Formations of 
Texas. 
In the Canadian Record of Science for April, G. J. Hinde writes 
on Archeocyathus Billings, and other Genera allied thereto or 
Associated therewith from the Cambrian Strata of North America, 
Spain, Sardinia, and Scotland; and in the July number of the 
same journal, on a New Genus of Siliceous Sponges from the 
Trenton Formation at Ottawa. 
Alpheus Hyatt ably discusses the Genesis of the Arietida in — 
the Smithsonian Contributions to Knowledge, No. 673. 
T. R. Jones has some Notes on Paleozoic Bivalve Entomos- 
traca: North American Species. (Can. Annals and Mag. Nat. 
Hist., 6th Series, Vol. III.) 
T. Rupert Jones and J. W. Kirkby publish a paper on Some 
Ostracoda from the Mabou Coal-field of Nova Scotia, in the Geo- 
logical Magazine for June. The first author also describes some 
species of Palzozoic Ostracoda from Pennsylvania, U. S., in the 
American Geologist for December. 
Charles R. Keyes has a list and some notes on the Léss j (Post- 
Pliocene) fossils of the State, in an Annotated Catalogue of the 
Mollusca of Iowa (Bulletin of Essex Institute, Vol. XX-.); 
Soleniscus, its Generic Characters and Relations, in THE AMERI- 

