778 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Maclurites afflnis (Billings). 



Maclurea affinis Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 238, figa. 



224a, b.— Whitfield, Bull. Amer. Mus. Nat. Hist., 9, 1897, p. 180, pi. 4, figs. 



8,9. 

 Lesueurilla affinis Koken, Neues Jahrb. Min., Geol. Pal., 1, 1898, p. 22 (gen. ref.). 

 Canadian: Keppel Island, Newfoundland (Quebec — F); Otter Creek, Vermont 



(Beekmantown) . 



Maclurites annulatus (Walcott). 



Maclurea annulata Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 81, pi. 11, figs. 



19, 19a. 



Upper Pogonip: White Mountain, Eureka District, Nevada. 

 Cotype — Cat. Nos. 17338, 17339, U.S.N.M. 



Maclurites atlanticus (Billings). 



Maclurea atlantica Billings, Canadian Nat. Geol., 4, 1859, p. 459. 

 Maclurites atlanticus Raymond, Ann. Carnegie Mus., 4, 1908, p. 201. 

 . Chazyan (Mingan): Mingan Islands, Canada. 



Maclurites avellanedae (Kayser). 



Maclurea avellanedae Kayser, Beitr. Geol. Pal. Argentin. RepubHk, Pal. Suppl., 3, 

 1876, p. 15, pi. 4, figs. 1, 2; Zeit. d. Deutschen geol. Gesell., 49, 1897, p. 283. 

 Ordovician: Talacastra, Argentina. 



Maclurites bigsbyi (Hall). 



Maclurea bigsbyi Hall, Rep. Geol. Surv. Wisconsin, 1861, p. 37. — Whitfield, 

 Geol. Wisconsin, 4, 1882, p. 222, pi. 6, figs. 17, IS; Geol. Wisconsin, 1, 1883, 

 p. 157, fig.; Mem. Amer. Mus. Nat. Hist., 1, 1895, p. 62, pi. 8, figs. 14, 15 

 (not 12, 13).— Ubich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1039, 

 pi. 75, figs. 5-10.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 664, 

 fig. 919. 



Black River (Platteville) : Mineral Point, Fulton, Janesville, etc., Wisconsin; 

 Dixon, etc., Illinois. 



Plesioty pes — Cat. No. 45933, U.S.N.M. 



Maclurites bigsbyi dixonensis (Ubich). 



Maclurea bigsbyi var. dixonensis Ubich, Geol. Minnesota, 3, pt. 2, 1897, p. 1039. 

 Black River (Platteville') : Dixon, HUnois. 

 Holotype — Cat. No. 45934, U.S.N.M. 



Maclurites carinatus (Walcott). 



Maclurea carinata Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 82, pi. 11, figs. 



20, 20a. 



Upper Pogonip: Lone Mountain, Eureka District, Nevada. 

 Cotypes — Cat. No. 17342, U.S.N.M. 



Maclurites crassus (Ulrich and Scofield). 



Maclurea crassa Ubich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1040, pi. 



75, figs. 12-14— Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 167. 

 Trenton: Lime City, Stewartville, Wykoff, etc., Minnesota (Stewartville); Baffin 



Land. 

 Cotype— Cat. No. 45935, U.S.N.M. 



Maclurites crassus macer (Ulrich and Scofield). 



Maclurea crassa var. macra Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, 



p. 1041, pi. 75, figs. 15, 16. 

 Trenton (Prosser): Hader, Minnesota. 

 Holotype— Cat. No. 45936, U.S.N.M. 



