BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 545 



Fuslspira vlttata (TIall). 



Murcliisonia vittata Hall, Pal. New York, 1, 1847, p. 181, pi. 39, figs. 3a, b. 

 Loxonema vittata D'Orbigny, Prodr. de Pal., 1, 1849, p. 5 (gen. ref.). — Emmons, 



Amer. Geology, 1, pt. 2, 1855, p. 163. 

 Fusispira vittata Hall, 24th Rep. New York State Cab. Nat. Hist., 1872, p. 229 



(Extract, 1871, p. 5). 

 Trenton: Adams, Jefferson County, New York. 



Gaurocrinus Miller. See Reteocrinus Billings. 

 Gaurocrinus angularis IMiller. See Ptychocrinus parvus. 

 Gaurocrinus cognatus Miller. See Reteocrinus nealli. 

 Gaurocrinus splendens Miller. See Ptycliocrinus splendens. 



GAZACRTNUS Miller. Genotype: G. inornatua Miller. 



Gazacrinus Miller, IStli Rep. Geol. Siirv. Indiana, 1894, p. 305 (adv. sheets, 1892, 

 p. 49); N. A. Geol. Pal., 1st App., 1892, p. G79;ibid., 2d App., 1897, p. 746.— 

 Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 78, fig. 38 

 (includes notes on synonymy). — Bather, Treatise on Zool., pt. 3, Echino- 

 derma, London, 1900, p. 188, fig. 119. — Springer, Zittel-Eastman Textb. Pal., 

 2d ed., 1913, p. 187. 



Idiocrinus Wachsmuth and Springer, Amer. Geol., 10, 1892, p. 135; Mem. Mus. 

 Comp. Zool. Harvard (N. A. Crin. Camerata), 20, 1897, p. 202.— Bather, 

 Treatise on Zool. (Lankester), pt. 3, 1900, p. 188. — Zittel, Grundzuge Pal., 1, 

 1910, p. 161. (Genotype: I. elongatus Wachsmuth and Springer.) 



Gazacrinus immatiiriis (Hall). 



Thysanocrinus immaturus Hall, Pal. New York, 2, 1852, p. 191, pi. 42, figs. 4a-f. 

 Rhodocrinus (Thysanocrinus) immaturus Shumard, Trans. Acad. Sci. St. Louis, 



2, 1866, p. 398. 

 Dimerocrinus immaturus "Wachsmuth and Springer, Proc. Acad. Nat. Sci. Pliila- 



delpliia, 1881, p. 373 (Rev. Pal., pt. 2, p. 199). 

 Idiocrinus immaturus Wachsmuth and Springer, Meiu. Mus. Comp. Zool. Harvard, 



20, 1897, p. 206, pi. 18, figs. lOa-c. 

 CUnton (Rochester): Lockport, New York. 



Gazacrinus inornatus Miller. 



Gazacrinus inornatus Miller, 18th Rep. Indiana Dept. Geol. Nat. Res., 1894, p. 303, 



pi. 5, figs. 9, 10, 15-17 (adv. sheets, 1892, p. 49, pi. 5, figs. 9, 10, 15-17); N. A. 



Geol. Pal., 1st App., 1892, p. 679, figs. 1232-33.— Bather, Treatise on Zool., 



pt. 3, Echinoderma, London, 1900, p. 188, fig. 119, 1. 

 Idiocrinus elongatus Wachsmuth and Springer, Amer. Geol., 10, 1892, p. 136; 



Mem. Mus. Comp. Zool. Harvard, 20, 1897, p. 203, pi. 18, figs. 8a-c.— Bather, 



Geol. Mag., dec. 4, 6, 1899, p. 126. 

 Niagaran (Laurel): St. Paul, Shelby County, Indiana. 



Gazacrinus mjjjor Wollcr. 



Gazacrinus major Weller, Bull. Cliicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 



1900, p. 78, pi. 3, figs. 1, 2. 

 Niagaran (Racine): Hawthorne, Illinois. 



Gazacrinus milliganoo (Miller and Gurley). 



Thysanocrinus miiliganie Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 

 8, 1896, p. 51, pi. 3, figs. 23-25.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 

 754, fig. 1403. 

 Niagaran (Brownsport): Decatur County, Tennessee. 



84243°— Bull. 92—15 35 



