ROGERS : SOME NEW AMERICAN SPECIES OF CYCLUS. 275 



Cyclus rankini H. Woodw. 



Cyelus rankini H. Woodw., 1868, 1870, 1878. 



Cyclus reussi Gemmellaro. 



Paraprosopon reussi Gemmellaro, 1890. 

 Cyclus reussi Freeh, 1900. 



Cyclus scotti H. Woodw. 



Cyclus scotti H. Woodw., 1893, 1894. 



Cyclus testudo Peach. 



Cyclus testudo Peach, 1883; H. Woodw., 1894. 



Cyclus torosus H. Woodw. 



Cyclus torosus H. Woodw., 1870, 1878. 



Cyclus woodwardi Reed. 



Cyclus woodwardi Reed, 1893; H. Woodw., 1894. 



Cyclus wrighti H. Woodw. 



Cyclus wrighti H. Woodw., 1870, 1878. 



BIBLIOGRAPHY. 



Freeh, 1900.— Letha?a paleozoica. Band 2, Lieferung 3, p. 506. 

 Gemmellaro, 1890.— Mem. Soc. Italiana delle Scienze fiss. e. nat., vol. viii 



(3dser.), No. 1. 

 De Koninck, 1841.— Mem. Acad. Roy. Belg., vol. xiv, p. 13, f. 12. 

 De Koninck, 1842.— Descr. dee Animaux Foss. Terr. Carb. de Belg. Liege., p. 



591, pi. lii, f. 9a, b. 

 Von Meyer, H., 1847.— Paleontographica, vol. i, p. 134, pi. xix, ff. 23-26. 

 Packard, 1885.— Amer. Nat., vol. xix, p. 292. 

 Packard, 1886.— Mem. Nat. Acad. Sci., vol. in, p, 143, pi. v, ff. 1, la; pi. vi, 



ff. 4, 4a. 

 Peach, 1883.— Trans. Roy. Soc. Edinburgh, vol. xxx, p. 227, pi. xxviii, ff. 9, 9tf\ 

 Phillips, 1836.— Geology of Yorkshire, vol. n> p. 240, pi. xxii, f. 25. 

 Reed, 1893.— Geog. Mag. (3), vol. x, p. 64, text figure. 

 Salter. — (See Woodward and Salter.) 



Woodward, H., 1868. — British Association Reports, Norwich, p. 72. 

 Woodward, H., 1870.— Geol. Mag., vol. vn, p. 554, pi. xxiii, ff. 1-9, and 3 text 



figures. 

 Woodward, H., 1878. — Mon. Brit. Foss. Crustacea, Pal. Soc, vol. xxxn, p. 248, 



pi. 32. 

 Woodward, H., 1893.— Geol. Mag. (3), vol. x, p. 28, 2 text figures. 

 Woodward, H., 1894.— Geol. Mag. (4), vol. i, p. 530, pi. xv, ff. 1-8, and 3 text 



figures. 

 Woodward, H. (and Salter, J. W.), 1865. — Cat. and Chart. Foss. Crustacea, p. 



15, f. 14. 



In conclusion, I wish to thank Mr. Gilbert Van Ingen for aid in the 

 preparation of this paper. 



Colombia University, in the City of New York, 

 February 10, 1902. 



