

678 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



ISOTELUS HAERISI Raymond (part). See leotelus platymarginatus. 



Isotelus lowensls (Owen). 



Asaphus (Isotelus) iowensis Owen, Rep. Geol. Surv. Wisconsin, Iowa, Minnesota, 



1852, p. 577, tab. 2A, figs. 1-7. Lesley, Geol. Surv. Pennsylvania Rep., 



P 4, 1889, p. 41, figs. 

 Isotelus iowensis Clarke, Geol. Minnesota, 3 pt., 2, 1894, p. 704. Slocom, Field 



Mus. Nat. Hist., Geol. Ser., 4, 1913, p. 48, pi. 13, figs. 1, 2. Raymond, Bull. 



Mus. Comp. Zool., 58, 1914, p. 255, pi. 2, flg. 6; pi. 3, figs. 1, 2. 

 Isotelus gigas Clarke (pait), Geol. Minnesota, 3, pt. 2, 1894, p. 703, fig. 5. Weller, 



Geol. Surv. New Jersey, Pal., 3, 1902, pi. 14, fig. 5. 

 Richmond (Maquoketa): Turkey River, Clermont, and Elgin, Iowa. 

 Cotypes.C&t. No. 17906, U.S.N.M. 



Isotelus jacobus Clarke. 



Isotelus gigas Hall (part), Pal. New York, 1, 1847, pi. 61, figs. 3g, 3b. 

 Isotelus jacobus Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 706, footnote. 

 Trenton: Middleville, New York. 



Isotelus latus Raymond. 



Isotelus latus Raymond, Bull. Victoria Memorial Mus., 1, 1913, p. 45, pi. 5. 

 Asaphus platycephalus Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 184, 



text fig. 183; Cat. Sil. Foss. Anticosti, 1866, p. 24, fig. 7; Quait. Jour. Geol. 



Soc. London, 26, 1870, p. 486, pis. 31, 32. 



Isotelus gigas Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 293, fig. 1602. 

 Trenton: Ottawa, Ontario. 



Isotelus longaevus Savage. 



Isotelus longsevus Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 103, pi. 6 fig., 15. 

 Upper Medinan (Edgewood) : Near Edgewood, Illinois. 



Isotelus maximus Locke. 



Isotelus maximus Locke, 2d Ann. Rep. Geol. Surv. Ohio, 1838, p. 246, figs. 8, 9; 

 Amer. Jour. Sci., 41, 1841, p. 161; Trans. Assec. Amer. Geol. and Nat., 1843, p. 

 14. Clarke, 10th Rep. State Geol. New York for 1890, 1891, p. 87; 44th Rep. 

 New York State Mus., 1892, p. Ill; Geol. Minnesota, 3, pt. 2, 1894, p. 701, 

 figs. 5-7; p. 706. Ruedemann, Bull. New York State Mus., 49, 1901, p. 59, 

 pi. 4, fig. 1. Raymond and Narraway, Ann. Carnegie Mus., 7, 1910, p. 55, 

 fig. 3 Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 292, fig. 1603. 

 Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1060, pi. 55, 

 fig. 1. Slocom, Field Mus. Nat. Hist., Geol. Ser., 4, 1913, p. 47. Raymond, 

 Bull. Victoria Memorial Mus., 1, 1913, p. 46, pi. 4, fig. 8; Bull. Mus. Comp. 

 Zool., 58, 1914, p. 257. 



Asaphus maximus Clarke, 46th Rep. New York State Mus., 1893, p. 195; 12th 

 Rep. State Geol. New York for 1892, 1894, p. 49. 



Asaphus (Isotelus) maximus Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 

 1897, p. 233. 



Isotelus megistos Locke, Amei. Jour. Sci., 42, 1842, p. 366, pi. 3, fig.; Trans. 

 Assoc. Amer. Geol., Nat., 1843, p. 221, pi. 6, fig. 1. Anon., Amer. Jour. Sci., 

 2d ser., 6, 1848, p. 431. Taylor, ibid., 10, 1850, p. 113. 



Asaphus megistos Chapman, Canadian Jour., n. s., 4, 1859, pp. 140, 142. Billings, 

 Geol. Canada, Geol. Surv. Canada, 1863, p. 184, fig. 182; Cat. Sil. Foss. An- 

 ticosti, Geol. Surv. Canada, 1866, pp. 26, 60. Walcott, 28th Rep. New York 

 State Mus. Nat. Hist., doc. ed., 1877, p. 89; mus ed., 1879, p. 89. Mickel- 

 borough, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, pp. 200-206, figs. 1, 3 (2). 



