200 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



CERATOPTGE Hawle and Corda. Genotype: Olenus forficula Sara. 



Ceratopyge Hawle and Corda, Abh. bohmischeii 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 canadeusis Walcott. 



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



13-22. 



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

 southeast of Leanchoil, British Columbia. 



CERAURINUS Barton. Genotype: C. marginatus Barton. 



Cheirurus and Ceraurus (part) of authors. 

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



Ceraurinus confluens Barton. 



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

 Trenton (Picton) : Pefferlaw 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. Foss., 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.). 

 Ceraurus icarus Meek, Geol. Surv. 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 ? meekanus Slocom, 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, pi., 



fig. 1. 

 Richmond: 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. Surv. Canada, 1865, p. 181, 



fig. 162. 



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

 Ceraurus (Crotalocephalus) pompilius Grabau and Shinier, 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. 



