64 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Aparchltes mlllepunctatus (Ulrich). 



Leperditia millepunctata Ulrich, Amer. Geol., 10, 1892, p. 268, pi. 9, fig8. 37-39. 

 Aparchites millepunctatus Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 645, pi. 45, 



figs. 16-18. 

 Black River (Decorah) : Fountain, Minneeota. 

 Eolotype.—C&t. No. 41837, U.S.N.M. 



Aparchites minutissimus (Hall). 



Leperditia (Isochilina) minutissima Hall, 24th Rep. New York State Cab. Nat. 



Hist., 1872, p. 231, pi. 8, fig. 13 (adv. sheet 1871, p. 7).— Hall and Whitfield, 



Geol. Surv. Ohio, Pal., 2, 1875, p. 102, pi. 4, fig. 4. 

 Leperditia minutissima Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 122. 

 Aparchites minutissimus Ulrich, Geol. Surv. Canada, Cont. Micro-Pal., pt. 2, 



1889, p. 49, pi. 9, fig. 5.— Whiteaves, ibid., Pal. Foss., 3, pt. 2, 1895, p. 126 



(loc. occ). 

 Eden-Richmond: Cincinnati, Ohio, and vicinity; Stony Mountain, Manitoba, 



Anticosti, etc. 



Aparchites minutissimus robustus Ruedemann. 



Aparchites minutissimus var. robustus Ruedemann, Bull. New York State Mus., 



49, 1901, p. 74, pi. 7, figs. 6-11. 

 Mohawkian (Rysedorph): Rysedorph Hill, Rensselaer County, New York. 



Aparchites minutissimus trentonensls Ulrich. 



Aparchites minutissimus var. trentonensls Ulrich, Geol. Minnesota, 3, pt. 2, 1894, 



p. 646, pi. 43, figs. 18-20. 

 Black River (Decorah) and Trenton (Prosser): Fountain, Cannon Falls, etc., 



Minnesota. 

 Cotypes— Cat. Nos. 41302, 41303, U.S.N.M. 



Aparchites mundulus Jones. 



Aparchites mundulus Jones, Geol. Surv. Canada, Cont. Micro-Pal., pt. 3, 1891, 



p. 62, pi. 10, figs. 12a, b. 

 Trenton: Falls of Lorette, Quebec. 



Aparchites oblongus Ulrich. 



Aparchites oblongus Ulrich, Joiu-. Cincinnati Soc. Nat. Hist., 13, 1890, p. 137, pi. 



10, figs. lOa-lOc. 

 Richmond (Arnheim): Middletown, Ohio. 



Eolotype. —C&t. No. 41811, U.S.N.M. 



Aparchites parvulus Jones. 



Aparchites parvulus Jones, Geol. Surv. Canada, Pal. Foss., 3, pt. 3, 1897, p. 2.30, 



pi. 22, figs. 4a-4c. 

 Black River or Richmond: Little Black Island, Lake Winnipeg, Canada. 



Aparchites tyrrelll Jones. 



Aparchites TyrrelliiJones, Geol. Surv. Canada, Cont. Micro-Pal., pt. 3, 1891, p. 62, 

 pi. 13, figs. 14a-c.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 3, 1897, 

 p. 242 (loc. occ). 

 Black River or Richmond: Great Black Island, Like Winnipeg, Canada. 



Aparchites unicornis Ulrich. See Primitiella imicomis. 



Aparchites whiteavesl Jones. 



Aparchites "^Tiiteavesi Jones, Ann. Mag. Nat. Hist., 6th ser., 3, 1889, p. 384, figs. 



5, 6, pi. 17, fig. 10.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 3, 1897, 



p. 230. 

 Black River or Richmond: Lower Fort Garry, St. Andrew, Manitoba. 



