The Appendages, Anatomy, and Relationships of Trilobites

by Percy E. Raymond

1897 A.—Outline of a natural classification of trilobites. Amer. Jour. Sci. (4), vol. 3, pp. 89-106, 181-207, pl. 3.

1897 B.—Remarks on Kingsley's "Systematic position of the trilobites." Amer. Geol., vol. 20, pp. 38-40.

1900.—Trilobita. Eastman-Zittel Text-book of Paleontology, vol. 1, pp. 607-638, text figs. 1261-1331; ed. 2, 1913, p. 700. London.

1901.—Structure and development of trilobites. In "Studies in Evolution," pp. 109-225. New York and London.

1902.—The ventral integument of trilobites. Amer. Jour. Sci. (4), vol. 13, pp. 165-174, pls. 2-5, text fig. 1; Geol. Mag., dec. 4, vol. 9, pp. 152-162, pls. 9-11, text figs. 1-8.

Bernard, H. M.

1892.—The Apodidæ.

1893.—Trilobites with antennæ at last! Nature, vol. 48, p. 582.

1894.—The systematic position of the trilobites. Quart. Jour. Geol. Soc., London, vol. 50, pp. 411-434, text figs. 1-17.