[211] Zeitschr. der deutsch. geol. Gesellschaft, 1875.

[212] Palæontologica Indica. Jurassic Fauna of Kutch. I. Cephalopoda, pp. 242–243. (See Hyatt’s Genesis of the Arietidæ, pp. 27, 42.)

[213] “Genera of Fossil Cephalopods,” Proc. Bost. Soc. Nat. Hist., xxii., April 4, 1883, p. 265.

[214] “Revision of the North American Poriferæ.” Memoirs Bost. Soc. Nat. Hist., ii., part iv., 1877.

[215] Three Cruises of the “Blake,” 1888, ii., p. 158.

[216] The earliest paper in which he adopted the Lamarckian doctrines of use and effort was his “Methods of Creation of Organic Types” (1871). In this paper Cope remarks that he “has never read Lamarck in French, nor seen a statement of his theory in English, except the very slight notices in the Origin of Species and Chambers’ Encyclopædia, the latter subsequent to the first reading of this paper.” It is interesting to see how thoroughly Lamarckian Cope was in his views on the descent theory.

[217] Proceedings of the American Association for the Advancement of Science, Troy meeting, 1870. Printed in August, 1871.

[218] American Naturalist, v., December, 1871, p. 750. See also pp. 751, 759, 760.

[219] Printed in advance, being chapter xiii. of Our Common Insects, Salem, 1873, pp. 172, 174, 179, 180, 181, 185.

[220] “A New Cave Fauna in Utah.” Bulletin of the United States Geological Survey, iii., April 9, 1877, p. 167.