60 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



43740. Archimedes invaginatus Ulrich. Figured sections of 



cotype. 

 Chester (Miss. ). Chester, IlHnois. 



Ulrich, Geol. vSurv. 111., VIII, iS9<j, p. 575, pi. 63, figs, iic, iid. 



43417. Archimedes laxus Hall. Plesiot3'pe. 



Chester (Miss.). Litchfield, Keutuck5^ 



Ulrich, Geol. Surv. 111., \'lll, iSgo, p. 5S0, pi. 63, figs. 15, 15a. 

 See Helicopora archiniediformis. 



43737. Archimedes proutanus Ulrich. Cotypes. 



Chester (Mi.ss.j. vSloans A'alley, Pula.ski County, Ken- 

 tuck\'. 



Ulrich, Geol. vSurv. 111., VIII, 1S90, p. 576, pi. 63, figs. 3-3C. 



43738. Archimedes proutanus Ulrich var. Plesiotype. 



Chester (Miss.). Sloans \'alley, Pulaski County, Ken- 

 tucky. 



Ulrich, Geol. vSurv. III.. \'III, TS90, p. 576, pi. 63, fig. lib. 



43739. Archimedes terebriformis Ulrich. Cotypes. 



Chester (Mi.ss.). Sloans Valley, Pulaski County, Kentuck}^. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 575, pi. 63, figs. 5-5b. 



38093. Archimylacris parallela Scudder. Holotype. 



Ui)per Coal ^Measures. Campbell's Ledge, near Pittston, 

 Pennsylvania. 



vSciidder, Mem. Boston Soc. Nat. Hist., III. 1879, p. 85, pi. 6, fig. 6; 

 Foss. Insects N. America, I, 1890, p. 105, pi. 6, fig. 6. 



38091. Archimiylacris paucinervis Scudder. Holotype. 



Upper Coal Measures. ]\Iazon Creek, Grundy County, 

 Illinois. 



vSciulder, Mem. Boston vSoc. Nat. Hi.st., IV, 1890, p. 411, pi. 31, 

 fig. 5; Foss. Insects N. America, I, 1890, p. 3S7, pi. 23, fig. 5. 



45686 Archinacella cingulata Ulrich. Holotype. 



Black Ri\-er (Ord.;. Mercer County, Kentuck}'. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 829, pi. 61, figs. I, 2. 



45687. Archinacella deleta (vSardcson). Plesiot3-pe. 



Black River (Ord. ). Near Cannon Falls, Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Stirv. Minn., Final 

 Rept., HI, Pt. II, 1897, p. 831, pi. 61, fig. 17. 



45688. Archinacella depressa ITlrich and Scofield. Plastotj-pe. 



Stones River (Ord. ). Minneapolis, Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., P'inal 

 Rept., HI, Pt. II, 1897, p. 830, pi. 61, figs. 8, 9. 



