200 BULLETIN 92^ UNITED STATES NATIONAL MUSEUM. 



CERATOPYGE Hawle and Corda. Genotype: Olenus forticula Sars. 



Ceratopyge Hawle and Corda, Abh. bohmisclien Gesell. d. Wiss., 5, 1847 (extract), 



p. 161, pi. 7, fig. 81. — Koken, Die Leitfossilien, Leipzig, 1896, p. 19, text 



fig. 12.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 34, No. 8, 1901, p. 25.— 



Raymond, Zittel-Eastman Textb. Pal., 1913, p. 717. 



Ceratopyge canadensis Walcott. 



Ceratopyge canadensis Walcott, Smiths. Misc. Coll., 57, 1912, p. 233, pi. 35, figs. 



13-22. 

 Lower Ordovician (Goodsir): MoUison Creek, and Ice River Valley, ten miles 

 southeast of Leanchoil, British Columbia. 



CERAURINUS Barton. Genotype: C. marginatus Barton. 



Cheirurua and Ceraurus (part) of authors. 

 Ceraurinus Barton, Bull. Mus. Comp. Zool., 54, 1913, p. 547. 



Ceraurinus confiuens Barton. 



Ceraurinus confluens Barton, Bull. Mus. Comp. Zool., 54, 1913, p. 555, pi., fig. 3. 

 Trenton (Picton) : Peff erlaw and Collingwood, Ontario. 



Ceraurinus Icarus (Billings). 



Cheirurus Icarus Billings, Canadian Nat. Geol., 5, 1860, p. 67, fig. 2; Geol. Canada, 



Geol. Surv. Canada, 1863, p. 219, fig. 231; Cat. Sil. Foss. Anticosti, Geol. 



Surv. Canada, 1866, p. 27 (loc. ref.).— Whiteaves, Pal. Fosa., Geol. Surv. 



Canada, 3, pt. 2, 1895, p. 128 (loc. occ). 

 Ceraurus (Eccoptochile) icarus Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 738 



(gen. ref.). 

 Ceram-us icarus Meek, Geol. Siu-v. Ohio, Pal., 1, 1873, p. 162, pi. 14, figs, lla-c. — 



Miller, Cincinnati Quart. Jour. Sci. 1, 1874, p. 133. — Cumings, 32d Ann. Rep. 



Dep. Geol. Nat. Res. Indiana, 1908, p. 1059, pi. 54, figs. 8, 8a. 

 Cerarus meekanus Miller, N. A. Geol. Pal., 1889, p. 537. 

 Eccoptochile? meekanusSlocom, Field Mus. Nat. Hist., Geol. Ser., 4, 1913, p. 75, 



pi. 17, figs. 6-9. 

 Ceraurinus icarus Barton, Bull. Mus. Comp. Zool., 54, 1913, p. 551, pi., fig. 7. 

 Richmond: Charleton Point, English Head, etc., Anticosti (English Head, 



Charleton, and Gamachian); Stony Mountain, Manitoba (Stony Mountain); 



Ohio; Indiana; Iowa. 



Ceraurinus marginatus Barton. 



Ceraurinus marginatus Barton, Bull. Mus. Comp. Zool., 54, 1913, p. 550, pL, 



fig. 1. 

 Riclimond: Manitoulin Island, Lake Huron. 



Ceraurinus polydorus (Billings). 



Cheirurus Polydorus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 286, 



fig. 274. 

 Ceraurus polydorus Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 738 (gen. ref.). 

 Ceraurinus polydorus Barton, Bull. Mus. Comp. Zool., 54, 1913, 549. 

 Chazyan (Quebec-N): Table Head and Portland Creek, Newfoundland. 



Ceraurinus pompilius (Billings). 



Cheirurus Pompilius Billings, Pal. Foss., 1, Geol. Sm-v. Canada, 1865, p. 181, 



fig. 162. 

 Ceraurus (Ceraurus) pompilius Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 738. 

 Ceraurus (Crotalocephalus) pompilius Grabau and Sliimer, N. A. Index Fossils, 



2, 1910, p. 319. 

 Ceraurinus pompilius Barton, Bull. Mus. Comp. Zool., 54, 1913, p. 550. 

 Chazyan (Mingan): Large Island, Mingan Islands, Quebec. 



