1144 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Schizambon priscus Matthew. 



Schizambon priscus Matthew, Bull. Nat. Hist. Soc. New Brunswick, 4, pt. 4, 

 No. 19, 1901, pp. 277-278, pi. 5, figs. 4a-d; Geol. Surv. Canada, Rep. Cam- 

 brian Rocks Cape Breton, 1903, pp. 187-189, pi. 11, figs. 6a-d.— Walcott, 

 Mon. IT. S. Geol. Surv., 51, 1912, p. 623, pi. 84, figs. 2-2e. 



Canadian (Bretonian — Div. C 3c): McLeod Brook, etc., Cape Breton, Nova 

 Scotia; Navy Island, St. John Harbor, New Brunswick. 



Schizambon typicalis Walcott. 



Schizambon typicalis Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 70, pi. 1, fig. 3.— 



Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 114, fig. 65, pi. 4, figs. 



27-30.— Hall and Clarke, 11th Ann. Rep State Geol. New York, 1892, p. 253, 



pi. 4, figs. 18-20.— Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 624, pi. 84, 



figs. 1, la-d. 

 Lower Pogonip: East of Hamburg Ridge, Eureka County, Nevada. Also Upper 



Cambrian of Utah. 

 Holotype and plesiotypes. — Cat. No. 24556, U.S.N.M. 



Schizambonia Gihlert. See Schizambon Walcott. 



SCHIZOCRANIA Hall and Whitfield. Genotype: Orbicula? filosa Hall 



Schizocrania Hall and Whitfield, Pal. Ohio, 2, 1875, p. 71.— Zittel, Handb. Pal. 



1, 1880, p. 665.— Miller, N. A. Geol. Pal., 1889, p. 371.— Beecher, Amer 

 Jour. Sci., 3d ser., 44, 1892, p. 148.— Hall and Clarke, Pal. New York, 8 

 pt. 1, 1892, pp. 142, 168.— Winchell and Schuchert, Geol. Minnesota, 3, 1893 

 p. 369.— Hall and Clarke, 11th Ann. Rep. New York State Geol., 1894, p 

 259. — Koken, Die Leitfossilien, Leipzig, 1896, p. 230. — Cumings, 32d Ann 

 Rep. Dep. Geol. Nat. Res. Indiana, 1907, p. 894. — Grabau and Shimer, N. A 

 Index Fossils, 1, 1907, p. 202.— Schuchert, Zittel-Eastman Textb. Pal., 

 1900, p. 309; 2d ed., 1913, p. 377. 



Schizocrania filosa Hall. 



Orbicula? filosa Hall, Pal. New York, 1, 1847, p. 99, pi. 30, fig. 9. 



Orbiculoidea filosa Emmons, Amer. Geology, 1, pt. 2, 1855, p. 200, pi. 8, fig. 9. 



Crania filosa Hitchcock, Geol. Vermont, 1, 1862, p. 292, fig. 196. 



Obolus filosus Safford, Geol. Tennessee, 1869, p. 275, fig. 9. 



Trematia filosa Billings, Geol. Canada, 1863, p. 159, fig. 126.— Hall, 23d Rep. 

 New York State Cab. Nat. Hist., 1873, pi. 13, figs. 21, 22— Miller, Cin- 

 cinnati Quart. Jour. Sci., 2, 1875, p. 15. 



Schizocrania filosa Hall and Whitfield, Pal. Ohio, 2, 1875, p. 73, pi. 1, figs. 12-15.— 

 Miller, N. A. Geol. Pal., 1889, p. 371, fig. 609.— Hall and Clarke, Pal. New 

 York, 8, pt. 1, 1892, p. 143, pi. 4G, figs. 22-30.— Lesley, Geol-. Surv. Penn- 

 sylvania, Rep. P 4, 1889, p. 934, figs.— Winchell and Schuchert, Geol. Min- 

 nesota, 3, 1893, p. 370, fig. 31; pi. 29, figs. 29-31.— Crane, Geol. Mag., dec. 4, 



2, 1895, pi. 5, fig. 18. — Huene, Verh. d. Russ.-Kais. Mineral Ges. zu St. 

 Petersburg, 36, 1899, p. 336, fig. 9.— Weller, Geol. Surv. New Jersey Pal., 3, 

 1903, p. 146, pi. 9, figs. 3, 4.— Grabau and Shimer, N. A. Index Fossils, 1, 



1907, p. 202, fig. 236a.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 



1908, p. 933, pi. 34, figs. 8, 8a.— Foerste, Bull. Sci. Lab. Denison Univ., 16, 

 1910, p. 40. 



Trenton: Middleville, etc., New York; New Jersey; Minnesota; Kentucky; 



Ontario. 

 Maysville and Richmond: Cincinnati, Ohio, and vicinity; Anticosti, etc. 



