BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 545 



Fusisplra vittata (Hall). 



Murchisonia 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, 



Amcr. 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 Miller. See Ptychocrintts parvris. 

 GAUROCRINUS COGNATUS Miller. See Reteocrinus nealli. 

 GAUROCRINUS SFLENDENS Miller. See Ptychocrinus splendens. 



GAZACRINUS Miller. Genotype: G. inornatus Miller. 



Gazacrinus Miller, 18th Rep. Geol. Surv. Indiana, 1894, p. 305 (adv. sheets, 1892, 

 p. 49); N. A. Geol. Pal., 1st App., 1892, p. 679; 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., 

 2ded., 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.) 



Gazacrimis Immaturus (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. Phila- 

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



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

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



Clinton (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 major Weller. 



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



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

 Niagaran (Racine): Hawthorne, Illinois. 



Gazacrinus milliganae (Miller and Gurley). 



Thysanocrinus milliganae 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. 9215 35 



