952 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Pentamerus oblongus — Continued. 



figs. 169-171; pi. 67, fig. 20; pi. 68, figs. 1-5; pi. 69, figs. 1, 4-7, 13, 14; pi. 70, 

 figs. 1-4.— Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 2, 1895, p. 63 — 

 Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 190, fig. 103; Bull. New York 

 State Mus., 45, 1901, p. 190, fig. 103.— Foerste, Bull. Kentucky Geol. Surv., 

 7, 1906, p. 323, pi. 1, fig. 2.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, 

 p. 275, fig. 344. 



rentamerus beaumonti Castelnau, Essai Syst. Sil. l'Amer. Septent., 1843, p. 38, 

 pi. 13, fig. 9. 



Niagaran: England; New York (Walcott); Obio (Dayton and Springfield); 

 Indiana; Kentucky (Louisville); Illinois; Wisconsin; Iowa; Ontario; Anti- 

 costi, etc. 



Plcsioty pes. —Cat. No. 51310, U.S.N.M. (Nettelrotb). 



Pentamerus oblongus bisinuatus (McChesney). 



Pentamerus bisinuatus McCbesney, New Pal. Foss., Extr. No. 2, 1861, p. 85; 



Illus. New Species Foss., 1865, pi. 9, figs. la-b. — Whitfield, Geol. Wisconsin, 



4, 1882, p. 290, pi. 17, fig. 3. 

 Pentamerus oblongus var. bisinuatus Hall, Pal. New York, 8, pt. 2, fasc. 2, 1893, 



pp. 238 and 239.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, 



p. 64. 

 Niagaran: Milwaukee, Cato, and Wauwatosa, Wisconsin (Racine, Waukesha); 



Durham, Ontario (Guelph). 



Pentamerus oblongus compressus Kindle and Breger. 



Pentamerus oblongus var. compressa Kindle and Breger, 28th Ann. Rep. Dep. 



Geol. Nat. Res. Indiana, 1904, p. 437, pi. 7, figs. 1-5. 

 Niagaran: Delphi, Indiana. 



Pentamerus oblongus corrugatus Weller and Davidson. 



Pentamerus oblongus var. corrugatus Weller and Davidson, Jour. Geol., 4, 1896, 



p. 171, pi. 7, figs. 1-4. 

 Niagaran: Jones County, Iowa. 



Pentamerus oblongus cylindricus Hall and Whitfield. 



Pentamerus oblongus var. eylindrica Hall and Whitfield, 24th Rep. New York 

 State Cab. Nat. Hist., 1872, p. 183; 27th Rep., ibid., 1875, pi. 10, figs. 13, 

 14.— Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, 

 p. 61, pi. 30, figs. 2-4.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 237, 

 fig. 172; pi. 68, figs. 7, 8; pi. 69, figs. 11, 12.— Kindle and Breger, 28th Ann. 

 Rep. Dep. Geol. Nat, Res. Indiana, 1904, p. 436, pi. 6, figs. 6-10; pi. 7, fig. 6 — 

 Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 276. 



Niagaran: Louisville, Kentucky (Louisville); Delphi, Indiana. 



Plesiotype— Oat. No. 51311, U.S.N.M. 



Pentamerus oblongus maquoketa Hall and Clarke. 



Pentamerus oblongus (partim) Whitfield, Geol. Wisconsin, 4, 1882, pp. 288, 291, 



pi. 17, figs. 8, 9. 

 Pentamerus oblongus var. maquoketa Hall and Clarke, Pal. New York, 8, pt. 2, 



1893, p. 239, pi. 67, figs. 11-13; 48th Rep. New York State Mus., 2, for 1895, 



1897, p. 368, pi. 11, figs. 12-14; 14th Rep. State Geol. New York for 1894, 



1897, p. 368, pi. 11, figs. 12-14. 

 Niagaran: Ashford, Wisconsin; near Dubuque and Hopkinton, Iowa. 



