352 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 57 



FORMER GENERIC REFERENCE. PRESENT GENERIC REFERENCE. 



Dicellocephalus misa Berkey (Am. Geologist, 



Vol. 21, 1898, p. 290, pi. 20, figs. 12, 13) Anomocare ? Angelin. 



Dikelocephalus misa Hall (Sixteenth Ann. 



Rep. N. Y. State Cab. Nat. Hist., 1863, p. 



144, pi. 8, fig. 15 ; pi. 10, figs. 4, s) Conokephalina Brogger. 



Dikelocephalus missisquoi Billings (Geol. Surv. 



Canada, Pal. Foss., Vol. i, 1865. p. 199) New genus. 



Dikelocephalus multicinctiis Hall and Whitfield 



(U. S. Geol. Expl. 40th Pari., Vol. 4. i877, 



p. 226, pi. 2, fig. 36) Apatokephaliis Brogger (1896). 



Dikelocephalus nasutus Walcott (Monogr. 



U. S. Geol. Surv., Vol. 8, 1884, p. 40, pi. 10, 



fig. 15) Proampyx Freeh. 



Dikelocephalus neivtonensis Weller (Geol. 



Surv. New Jersey, Rep. on Pal., Vol. 3, 1903, 



pp. 121-122, pi. 3, figs. 1-7) Calvinella Walcott. 



Dikelocephalus osceola Hall (Sixteenth Ann. 



Rep. N. Y. State Cab. Nat. Hist, 1863, p. 



146, pi. 10, fig. 18 ; pi. 7, fig. 49) Osccolia Walcott. 



Dikelocephalus oweni Billings (Canadian Nat. 



Geol., Vol. 5, i860, p. 310, text fig. 8) Anomocarella Walcott ? 



Dikelocephalus pauper Billings (Geol. Surv. 



Canada, Pal. Foss., Vol. i, 1865, P- 200) Ptychaspis Hall ? 



Dikelocephalus pepinensis Owen (Rept. Geol. 



Surv. Wis., Iowa, and Minn., 1852, p. 574, pi. 



I, figs. 9, 9a) Saukia Walcott. 



Dikelocephalus planifrons Billings (Canadian 



Nat. Geol., Vol. 5, i860, p. 309, text fig. 6) . .Anomocarella Walcott ? 

 Dikelocephalus quadriceps Hall and Whitfield 



(U. S. Geol. Surv. 40th Pari., Vol. 4, 1877, 



p. 240) Olenoides Meek. 



Dikelocephalus richmondensis Walcott 



(Monogr. U. S. Geol. Surv., Vol. 8, 1884, p. 



41, pi. ID, fig. 7) Ptychoparia Corda. 



Dikelocephalus roemeri Shumard (American 



Journ. Sci., 2d sen. Vol. 32, 1861, p. 220) . . . Ptychoparia Corda. 

 Dikelocephalus selectus Billings (Geol. Surv. 



Canada, Pal. Foss., Vol. i, 1865, p. 199) Ptychaspis Hall ? 



Dikelocephalus serratus (Boeck) (Linnars- 



son) Brogger (Die Sil. Etagen 2 und 3, Kris- 



tiania, 1882, p. 126) Apatokephahis Brogger. 



Dikelocephalus sesostris Billings (Geol. Surv. 



Canada, Pal. Foss.. Vol. i, 1865, p. 198) Ptychaspis Hall. 



Dicellocephalus ? sinensis Bergeron (Bull 



Soc. geol. de France, Vol. 27, 1899, p. 508) . .Stephanocare Monke. 

 Dikelocephalus spiniger Hall (Sixteenth Ann. 



Rep. N. Y. State Cab. Nat. Hist., 1863, p. 



143. pl. 10, figs. I, 2, 3 ?) Calvinella Walcott. 



