170 INDEX GENERUM MAMMALIUM. 
A! 
Cephalotropis Corr, 1896. Cete, Baleenide. 
Science, new ser., III, 880, June 12, 1896; Zool. Anzeiger, XIX, No. 508, p. 336, 
July 20, 1896; Proc. Am. Philos. Soc., XXXV, No. 151, pp. 141, 143-145, Aug., 
1896. 
Cephalotropus Hay, Cat. Foss. Vert. N. Am., Bull. 179, U. S. Geol. Surv., 598, 
1902. : 
Type: Cephalotropis coronatus Cope, from the Miocene of the Yorktown formation; 
probably from the Chesapeake region ( Maryland?). 
Extinct. Based on a portion of the cranium. 
Cephalotropis: Ke@adn, head; roóz:c, keel—in allusion to the triangular occi- 
pital area which has ** a low median keel, on each side of which the surface is 
concave, and is marked with numerous irregular fosse." — (Cort). 
Cephanodus Amecuino, 1902. Ungulata, Condylartha, Phenacodontide. 
Anal. Mus. Nac. Buenos Aires, VIII (ser. 3, I), 25, fig. 12, July 12, 1902. 
Type: Didolodus colligatus Ameghino, from the Notostylops beds of Patagonia. 
Extinct. 
Cephanodus: Anagram of Phenacodus. 
Ceratodon Brisson, 1762. Cete, Delphinidze. 
Regnum Animale in Classes IX distrib., 2d ed., 218, 231-232, 1762; BrtNnnicu, 
Zoologie Fundamenta, 48-49, 1772 (no species mentioned); IrrrGEn, Prodro- 
mus Syst. Mamm. et Avium, 142, 1811. 
Type: Ceratodon ceratodon Brisson (— Monodon monoceros Linnzeus), from the 
Arctic Ocean. 
Ceratodon: Képas, Képatos, horn; 0d@v=odovs, tooth—in allusion to the left 
lower tooth, which is developed into an enormous tusk, more than half the 
length of the animal. 
Ceratodon (see Kerodon) . Glires, Caviidee. 
Ceratogaulus MarrHEW, 1902. Glires, Castorid:e ( Mylagaulidz). 
Bull. Am. Mus. Nat. Hist., N. Y., XVI, 291-294, 299, figs, 1, 3, Sept. 25, 1902. 
Type: Ceratogaulus rhinocerus Matthew, from the Miocene, Loup Fork (Pawnee 
Creek beds) of Colorado. 
Extinct. Based on ‘‘a nearly complete skull, with one ramus of the lower jaw." 
Ceratogaulus: Képas, horn; + ( Myla)gaulus—in. allusion to the ‘‘pair of large 
connate processes on the nasals resembling the horncores of some Ungulata." 
Ceratorhinus Gray, 1867. Ungulata, Perissodactyla, Rhinocerotide. 
Proc. Zool Soc. London, 1867, 1021; Cat. Carn., Pachyderm. & Edentate Mamm. 
Brit. Mus., 313-315, 1869. ; 
Species: Rhinoceros sumatrensis' Cuvier, from Sumatra; and R. monspellianus, 
Blainville (extinct), from Hérault, France. 
Ceratorhinus: Képas, k«éparos, horn; pis, Hiv 0s, nose—from the two nasal horns. 
Ceratotherium Gray, 1867. Ungulata, Perissodactyla, Rhinocerotide. 
Proc. Zool. Soc. London, 1867, 1027-1030; Cat. Carn., Pachyderm., & Edentate 
Mamm. Brit. Mus., 1869, 319-322; W. L. ScrATER, Mamm. S. Africa, I, 297, 1900 
(in synonymy, type fixed). 
Species: Rhinoceros simus Burchell (type), and R. oswellii Gray, from South 
Africa. 
Ceratotherium: Képas, Képatos, horn; 62pzov, wild beast—from the two nasal 
horns. 
Cercaértus (‘GLoGER’) BunuzEISTER, 1837. Marsupialia, Phalangeride. 
267 
BunMEISTER, Handb. Naturgesch., 814, 1857. 
Cercartetiis GLoGER, Hand- u. Hilfsbuch Naturgesch., I, 85, 1841; THomas, Cat. 
Marsup. & Monotrem. Brit. Mus., 166, 1888 (in synonymy). 
