The Appendages, Anatomy, and Relationships of Trilobites

by Percy E. Raymond

Burling, L. D.

1916.—Pædeumias and the Mesonacidæ, with description of a new species, having at least 44 segments, from the Lower Cambrian of British Columbia. Ottawa Nat., vol. 30, pp. 53-58, pl. 1.

1917.—Was the lower Cambrian trilobite supreme? Ibid., vol. 31, pp. 77-79, text figs. 1-2.

Burmeister, H.

1843.—Die Organisation der Trilobiten. Berlin.

1846.—The organization of trilobites, deduced from their living affinities. Eng. translation, Ray Society, London.

Calman, W. T.

1909.—Crustacea, in "A treatise on zoology," edited by Sir Ray Lankester. London.

1919. Dr. C. D. Walcott's researches on the appendages of trilobites. Geol. Mag., dec. 6, vol. 6, pp. 359-363, pl. 8, text fig. 1.

Carpenter, G. H.