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Contents: On Hybridism between Macacus nemestrinus and M. cynomolgus; On the Axial origin of so-called Pine Needles; On the Horns of Cariacus virgianus; On different Schools of Nagturalists; On Inherent Growth Force, and on Variations in Quercus Douglassii; On a Species of Clidastes, and on Plesiosaurus gulo, Cope; Descriptions of new Species of marine Bivalve Mollusca; Notice of some Crustacea from the Island of St. Martins, W.I.; Notes on the Lingual Dentition of certain Species of N. Am. Land Shells; Note on Gamasus of the Ox; On the Flowers of Asparagus; On the Structure of Pythonomorpha; Remarks on Mastodon from New Mexico; On new California Pulmonata, etc., Descriptions of 29 Species of Unionidae from the U.S.; On a new Genus of Extinct Turtles; On some Remains of Cretaceous Fishes; On the Stocking of the Delaware with Salmo salar; On Artemia from Salt Lake, Utah; Remarks on Fossil Shark Teeth; On some new Species of Fossil mammalia from Wyoming; Material for a Monograph of the Sphenicidae; Note on Cottus Groenlandicus, Fabr. On the Spawn of Agaricus Campestris; Descriptions of a new recent Species of Glycimeris from Beaufort, NC, and of Miocene Shells from N. Carolina; Remarks on the Habits of an Ant; Remarks on Mineral Springs, etc., of Wyoming and Utah; Catalogue and Synomy of the Family Galeommidae, the Family Leptonidae, and the Family Lascidae. Illus.
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