660 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Ilionia? costulata Wliiteaves. 



Ilionia(?) costulata WTiiteavcs, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 15, 



pi. 2, fig. 5; ibid., pt. 2, 1895, p. 68 (loc. occ). 

 Niagaran (Guelph): Elora and Durham, Ontario. 



Ilionia galtensi.s Whiteaves. See Prolucina galtensis. 



Ilioula? parvula Whiteavee. 



Ilionia(?) parvula Wliiteaves, Geol. Surv. Canada, Pal. Foes., 3, pt. 4, 1906, p. 288, 



pi. 28, figs. 6-8. 

 Niagaran: Ami Island near northeast shore of Lake Winnipegosis, Manitoba. 



Ilionia sinuata (Hall). 



Anatina? sinuata Hall, Pal. New York, 3, 1859, p. 265, pi. 49, figs. 3a-3d. 

 Ilionia sinuata "Wliiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 15. — 



Schuchert, Amer. Geol., 31, 1903, p. 168.— Grabau and Shimer, N. A. Index 



Fossils, 1, 1909, p. 379. 

 Cayiigan (Cobleskill and Manlius): Litchfield and V.'inticld, Herkimer County, 



New York. 



ILL.ENOIDES Weller. Genotype: I. triloba Weller. 



Illtenoides Weller, Bull. Chicago Acad. Sci., Nat. Hist. Sur^^, 4, pt. 2, 1907, p. 

 226. 



nijenoides triloba Weller. 



lUaenoides triloba Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 



1907, p. 226, pi. 17, figs. 6-9; pi. 19, figs. 12-14. 

 Niagaran (Racine): Bridgeport, Joliet, and near Lemont, Illinois. 



ILL.ENURUS Hall. Genotype: I. quadratus Hall. 



Illajnurus Hall, 16th Ann. Hep. New York State Cab. Nat. Hist., 1863, p. 176; 

 Trans. Albany Inst., 5, 1867, p. 167.— Zittel, Handb. Pal., 2, 1885, p. 612.— 

 Miller, N. A. Geol. Pal., 1889, p. 550. 



Ill^nurus COLUMBIANA Weller. See Smyphysurus convexus. 



Ulsenurus convexus \\Tiitfield. 



lUfenurus convexus V.hitfield, Ann. Rep. for 1877, Wisconsin Geol. Surv., 1878, 

 p. 66; Geol. Wisconsin, 4, 1882. p. 203, pi. 4, figs. 3-5.— Chamberiin, ibid., 

 1, 1883, p. 141, fig. 

 Ozarkian (Mendota): East of Baraboo, Wisconsin. 



iLLiENURUs EuREKENsis Walcott. See Symphysurufl eurekensis. 



ILLiENUS Dalman. Genotj'pe: Entomostracites crassicauda Wahlenbcrg 



Illffinus Dalman, Svenska Vet.-Akad. Handl., 1826, 1827, p. 248.— Dalman-Engcl 

 hart. Die Palaeaden, Numberg, 1828, p. 50.— Green, Mon. Tril. N. A., 1832 

 p. 18. — Portlock, Rep. Geol, Londonderry, 18-13, p. 299. — Biu-meister, Org 

 derTril., Beriin, 1843, p. 118.— Goldfuss, Neuee Jahrb. f. Min., etc., 1843. pp 

 541, 553.— Emmrich, Neues Jalirb. f. Min., etc., 1815, p. 41.— Rouault, Bull 

 Soc. Geol. France, 2d ser., 4, 1847, p. 318.— Hawle and Corda, Abh. d. k 

 bohmischen Gesell. d. Wise., 5, 1847 (extract), p. 54, pi. 3, fig. 29.— McCoy, 

 Ann. Mag. Nat. Hist. (2), 4, 1849, p. 399.— Salter, Mem. Geol. Surv. United 

 Kingdom, dec. 2, 1849, pis. 3, 4.— Barrande, Neues Jahrb. f. Min., etc., 

 1850, p. 779; Syst. Sil. du Centre Boheme, 1, 1852, p. 669.— McCoy, British 

 Pal. Rocks Fossils, 1854, p. 171.— Augelin, Pal. Scandinavica, 3d ed., Hol- 

 mia?, 1854. p. 41.— Pictet, Trait6 do Pal., 2d ed., 2, 1854, p. 514.— Nieszkowski, 

 Archiv. f. Xaturk. Liv-, Ehet- u. Kurl. (1), I, 1857, p. 579.— Hitchcock, 

 G«ol. Vermont, 1, 1862, p. 280.— Volborth, Mem. I'Acad. Imp. Sci. St. Peters- 



