Part II.—The Phytosauria with Especial Reference to Mystriosuchus and Rhytiodon. By J. H. McGregor. Pp. 27-101, pll. vi-xi, and 26 text figures. February, 1906. Price, $2.00.

Part III.—Studies on the Arthrodira. By Louis Hussakof. May, 1906. Pp. 103-154, pll. xii and xiii, and 25 text cuts. May, 1906. Price, $3.00.

Part IV.—The Conard Fissure, A Pleistocene Bone Deposit in Northern Arkansas, with Descriptions of two New Genera and twenty New Species of Mammals. By Barnum Brown. Pp. 155-208, pll. xiv-xxv, and 3 text-figures. 1907. Price, $2.50.

Part V.—Studies on Fossil Fishes (Sharks, Chimæroids, and Arthrodires). By Bashford Dean. Pp. 209-287, pll. xxvi-xli, and 65 text figures. February, 1909. Price, $3.50.

Part VI.—The Carnivora and Insectivora of the Bridger Basin, Middle Eocene. By W. D. Matthew. Pp. 289-567, pll. xlii-lii, and 118 text figures. August, 1909. Price, $5.00.

Vol. X. Anthropology.

*Jesup North Pacific Expedition, Vol. VI.

Part I.—Religion and Myths of the Koryak. By W. Jochelson. Pp. 1-382, pll. i-xiii, 1 map, and 58 text figures. 1905. Price, $10.00.

Part II.—Material Culture and Social Organization of the Koryak. By W. Jochelson. Pp. 383-811, pll. xiv-xl, and 194 text figures. 1908. Price, $12.00.

Vol. XI. Anthropology.