778 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Maclurites afflnis (Billings). 



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



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 avellanedse (Kayser). 



Maclurea avellanedse Kayser, Beitr. Geol. Pal. Argentin. Republik, 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, Hep. Geol. Surv. Wisconsin, 1861, p. 37. Whitfield, 

 Geol. Wisconsin, 4, 1882, p. 222, pi. 6, figs. 17, 18; Geol. Wisconsin, 1, 1883, 

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

 (not 12, 13). Ulrich 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. 



Plesiotypes. Cat. No. 45933, U.S.N.M. 



Maclurites bigsbyi dixonensis (Ulrich). 



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

 Black River (Platteville) : Dixon, Illinois. 

 Holotype.G*i. 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.G&t. No. 17342, U.S.N.M. 



Maclurites crassus (Ulrich and Scofield). 



Maclurea crassa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1040, pl 



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.Csit. No. 45936, U.S.N.M. 



