BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 673 



Isochillna gracilis — Continued. 



Isochilina gracilis Jones, Monthly Micros. Jonr.,4, 1870, p. 185, pi. 61, fig. 18. — 



Dwight, Trans. Vassar Bros. Inst., 5, 1890, p. 76. 

 Trenton or Black Kiver: Wliite Horse Rapids, Isle Jesus, Canada. 



Isochilina gkandis Jones. See Isochilina grandis latimarginata. 



Isochilina grandis latimarginata (Jones). 



Leperditia marginata? Jones (not Keyserling), Ann. Mag. Nat. Hist., 2d ser., 17, 



1856, p. 94, 100, pi. 7, figs. 14a-<i. 

 Isochilina grandis Jones (not Schrenk), Ann. Mag. Nat. Hist., 5th ser., 8, 1881, p. 



347; ibid., 9, 1882, p. 171. 

 Isochilina grandis var. latimarginata Jones, Cont. Micro-Pal., Geol. Surv. Canada, 



pt. 3, 1891, p. 78, pi. 10, figs. 1-4. 

 Niagaran: Long Point, Lake Winnipegosis, Cedar 'Lake, and Saskatchewan 



River, Canada. 



Isochillna gregaria (Whitfield). 



Primitia gregaria "\Miitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 58, pi. 13, 



figs. 3-5.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 743, figs. 

 Isochilina gregaria Jones, Quart. Jour. Geol. Soc. London, 46, 1890, p. 22, pi. 1, 



figs. 9, 10.— Seely, Vermont State Geol. Rep., 7, 1910, pi. 61, figs. 16, 17. 

 Isochilina Ottawa Jones, Quart. Jour. Geol. Soc. London, 46, 1890, p. 551. 

 IsochiUna Ottawa var. intermedia Jones, Contr. Micro-Pal., Geol. Surv. Canada, 



pt. 3, 1891, p. 66, pi. 10, figs. 10a, b, 11a, b. 

 leochiUna amiana Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, pt. 1, 1891, p. 180, 



pi. 11, figs. 12a-c. 

 Canadian (Beekmantown) : Cave Island, Ball's Bay, Vermont; drift at Ottawa, 



Ontario. 

 Plesiotype.— Cat. No. 41289, U.S.N.M. (Holotype of I. amiana.) 



Isochilina gregaria ulrichiana Jones. 



leochilina gregaria ulrichiana Jones, Geol. Mag., dec. 4, 10, 1903, p. 301, figs. 1, 



2a, b. 

 Trenton(?): Hamilton, Ontario (drift). 



Isochilina JonesI Wetherby. 



Isochilina jonesi Wetherby, Jour. Cincinnati Soc. Nat. Hist., 4, 1881, p. 80, pi. 2, 

 figs. 7, 7a.— Miller, N. A. Geol. Pal., p. 552, fig. 1018.— Ulrich, Jour. Cincin- 

 nati Soc. Nat. Hist., 13, pt. 1, 1891, p. 179, pi. 11, figs. 9a-c.— Grabau and 

 Shimer, N. A. Index Fossils, 2, 1910, p. 342, figs. 16561-n. 



Trenton (Perryville) : Mercer County, Kentucky. 



Isochilina kentuckiensis Ulrich. See Isochilina armata. 



Isochilina labellosa Jones. See Leperditella? labellosa. 



Isochillna labrosa Jones. 



Isochilina labrosa Jones, Ann. Mag. Nat. Hist., 6th eer, 3, 1889, p. 383, figs. 3, 



4; pi. 17, fig. 11. — Chapman, Proc. Roy. Soc. Victoria, n. s., 17, pt. 1, 1904, 



p. 299, pi. 16, fig. 3. 

 Silurian: Cap Bon Ami, New Brunswick; ?Cave Hill, Lilydale, Victoria. 



Isochilina musculosa Foerste. 



Isochilina musculosa Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1909, p. 30, 



pi. 1, fig. 2. 

 Cayugan (Kokomo): Kokomo, Indiana. 



84243°— Bull. 92—15 48 



