296 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Cryptolithus tessellatus Continued. 



Trenton-Maysville: Glens Falls, near Waterford, etc., New York; Canada; Penn- 

 sylvania; New Jersey; Ohio; Kentucky; Oklahoma; Virginia; etc. 

 Plastotype.Ca,t. No. 4921, U.S.N.M. 



CRYPTONYMUS Eichwald. See Asaphus Brongniart and Encrinurus Emmrich. 



CRYPTOPHRAGMUS Raymond. Genotype: C. antiquatus Raymond. 



Cryptophragmus Raymond, Bull. Victoria Mem. Mus., 5, 1914, p. 8. 



Cryptophragmus antiquatus Raymond. 



Cryptophragmus antiquatus Raymond, Bull. Victoria Mem. Mus., 5, 1914, p. 8, 



pis. 1-4. 

 Black River (Lowville): Garden, etc., Ontario; Quebec; New York. 



CRYPTOPORA Nicholson. See Semicoscinium Prout. 



CRYPTOZOON Hall. Genotype: C. proliferum Hall. 



Cryptozoon Hall, 36th Rep. New York State Mus. Nat. Hist., 1884, expl. of pi. 6. 

 Miller, N. A. Geol. Pal., 1889, p. 157. Dawson, Canadian Rec. Sci., 7, 1896, 

 p. 204. Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 46. Seely, 

 Rep. State Geol. Vermont, 5, 1906, p. 160. Walcott, Smiths. Misc. Coll., 

 57, 1912, p. 257. Wieland, Bull. Amer. Mus. Nat. Hist., 33, 1914, p. 239. 



Cryptozoon bassleri Wieland. 



Cryptozoon bassleri Wieland, Bull. Amer. Mus. Nat. Hist., 33, 1914, p. 239, figs. 



1, 2, pis. 14-18. 



Upper Cambrian or Ozarkian: Near Pennsylvania State College, Center County, 

 Pennsylvania. 



Cryptozoon boreale Dawson. 



Cryptozoon boreale Dawson, Canadian Rec. Sci., 7, 1896, p. 207, fig. 1. 

 Trenton: Lake St. John, Quebec. 



Cryptozoon giganteum Chaney. 



Cryptozoon giganteum Chaney, Bull. Minnesota Acad. Nat. Sci., 3, 1891, p. 283. 

 Canadian (Shakopee): Northfield, Minnesota. 



Cryptozoon lachutense Dawson. 



Cryptozoon Lachutense Dawson, Canadian Rec. Sci., 7, 1896, p. 206. Seely, 



Rep. State Geol. Vermont, 5, 1906, p. 168. 

 Canadian (Beekmantown): Lachute, Quebec. 



Cryptozoon minnesotense Winchell. 



Cryptozoon Minnesotense Winchell, 14th Ann. Rep. Geol. Nat. Hist. Surv. 

 Minnesota, 1886, p. 313, pi. 1, figs. 1, 2; pi. 2, fig. 3. Chaney, Bull. Minnesota 

 Acad. Nat. Sci., 3, 1891, p. 280. Dawson, Canadian Rec. Sci., 7, 1896, p. 

 206. 



Canadian (Shakopee): Cannon Falls, Northfield, and Mankato, Minnesota. 



Cryptozoon minnesotense libertatls Winchell. 



Cryptozoon Minnesotense var. libertatis Winchell, 14th Ann. Rep. Geol. Nat. 



Hist. Surv. Minnesota, 1886, p. 315, pi. 2, fig. 4. 

 Canadian (Shakopee): Northfield, Minnesota. 



Cryptozoon perkinsi Seely. 



Cryptozoon? perkinsi Seely, Rep. State Geol. Vermont, 4, 1904, p. 150. 

 Chazyan: Isle la Motte, Vermont. 



