END. — GOM.] 



CEPHOLOPODA. 



437 



insulare, Barrande, 1870, Syst. Sil. de Boh., 



vol. 2, p. viii, pi. 430-431, Quebec Gr. 

 lativentrum, Hall, 1850, 3d Rep. N. Y. 



Mus. Nat. Hist, p. 181, Trenton Gr. 

 longissimum, Hall, 1847, Pal. N. Y., vol. 



1, p. 59, Black Riv. and Trenton Gr. 

 magniventrum, Hall, 1847, Pal. N. Y., vol. 



1, p. 218, Trenton Gr. 

 marcoui, Barrande, 1869, Syst. Sil. de Boh., 



2d ser., 4me, Quebec Gr. 



multitubulatum, Hall, 1847, Pal. N. Y., 



vol. 1, p. 59, Black Riv. and Trenton Grs. 



The type of Hvatt's genus Vaginoceras. 



proteiforme, Hall, 1847, Pal. N. Y., vol. 



1, p. 208, Hud. Riv. and Trenton Grs. 

 proteiforme var. elongatum, Hall, 1847, 



Pal. N. Y., vol. 1, p. 216, Trenton Gr. 

 proteiforme var. lineolatum, Hall, 1847, 



Pal. N. Y., vol. 1, p. 211, Trenton Gr. 

 proteiforme var. strangulatum, Hall, 1847, 



Pal. N. Y., vol. 1, p. 212, Trenton Gr. 



proteiforme var. tenuistriatum, Hall, 1847, 



Pal. N. Y., vol. 1, p. 209, Trenton Gr. 



proteiforme var. tenuitextum, Hall, 1847, 



Pal. N. Y., vol. 1, p. 210, Trenton Gr. 

 rapax, Billings, 1860, (Orthoceras rapax,) 

 Can. Nat. and Geol., vol. 5, p. 176, 

 Black Riv. Gr. 

 rottermundi, Barrande, 1866, (Orthoceras 

 rottermundi,) Syst. Sil. de Boh., 2d ser., 

 2me, p. xiii, pi. 230, Trenton Gr. 

 subannulatum, Whitfield, 1880, Ann. Rep. 

 Geo. Sur. Wis., p. 56, and Geo. Wis., 

 vol. 4, p. 230, Trenton Gr. 

 subcentrale, Hall, 1847, Pal. N. Y., vol. 



1, p. 59, Black Riv. Gr. 

 vanuxemi, Conrad, 1842, (Diploceras van- 

 uxemi,) Jour. Acad. Sci., vol. 8, p\ 267, 

 Trenton Gr. 

 Endolobus, Meek & Worthen, 1865, Proc. 

 Acad. Nat. Sci. Phil., p. 259. [Ety. endos, 

 within ; hbos, lobe.] Prof. Meek said 

 later that this genus is not distinct from 

 Temnochilus, and if distinct it would 

 probably be a synonym for Montfort's 

 genus Bisiphites. 

 peramplus, see Temnochilus peramplum. 

 speclabili*, see Temnochilus spectabile. 

 Glossoceras, Barrande, 1865, Cephalopods of 

 Bohemia, vol. 2, p. 372. [Ety. glosse, 

 tongue; keras, horn.] Having a slen- 

 der annulated whorl, and an obscurely 



Y - shaped 

 aperture. 

 It is not 

 known as 

 an Ameri- 

 can genus. 

 desideratum , 

 Billings, 

 1866,Catal. 

 Sil. Foss. 

 Antic, p. 

 60. Not 

 defined so 

 as to be rec- 

 ognized. 



Gomphoceras, Sowerby, 1839, Murch. Sil. 

 Syst. p. 620. [Ety. gomphos, club ; keras, 



Fig. 735— Aperture of 

 Gomphoceras. 



horn.] Shell fusiform or globular with 



a tapering apex ; aperture contracted 



in the middle; siphuncle moniliform, 



subcentral. Type G. pyri forme, 

 abrnptum, Hall. 



1879, Pal. N. Y., 



vol. 5, pt. 2, p. 



339, Ham. Gr. 

 absens, Hall, 



1876, (Cyrtoce- 



ras absens, ) 



Ulust. Devon. 



Foss., pi. 47, 



and Pal. N. Y., 



vol. 5, pt. 2, p. 



324, Up. Held. 



Gr. 

 ajax, Hall, 1879, 



Pal. N. Y., vol. 



5, pt. 2, p. 350, 



Portage Gr. 

 amphora, Whit- 

 field, 1882,Ann. 



N. Y. Acad. 



Sci., vol. 2, p. 



207, Up. Held. 



Gr. 

 beta, Hall. 1862, 



FlO. 736— Gomphoceras 

 pyriforme. 



15th Rep. N. Y. Mus: Nat. Hist., p. 72, 



and Pal. N. Y., vol. 5, pt. 2, p. 326, Up. 



Held. Gr. 

 breviposticum, Whitfield, 1882, Geo. Wis., 



vol. 4, p. 339, Ham. Gr. 

 cammarus, Hall, 1879, Pal. N. Y., vol. 5, 



p. 333, Up. Held. Gr. 

 cassinense, Whitfield, 1886, Bull. Am. 



Mus. Nat. Hist., vol. 1, p. 322, Birds- 

 eye Gr. 

 cincinnatiense, S. A. Miller, 1884, Jour. 



Cin. Soc. Nat. Hist., vol. 7, p. 19, Hud. 



Riv. Gr. 

 clavatum, Hall, 1876, (Cyrtoceras clava- 



tum,) Illust. Devon. Foss., pi. 47, Up. 



Held. Gr. 

 conradi, Hall, 1860, 13th Rep. N. Y. Mus. 



Nat. Hist., p. 106, Ham. Gr. 

 crenatum, Beech^r, 1888, Pal. N. Y., vol. 



7, p. 33, Up. Held. Gr. 

 cruciferum, Hall, 1879, Pal. N. Y., vol. 5, 



p. 328, Schoharie grit, 

 eos, Hall & Whitfield, 1875, Ohio Pal., 



vol. 2, p. 100, Hud. Riv. Gr. 

 eximium, Hall, 1861, 14th Rep. N. Y. 



Mus. Nat. Hist., p. 109, and Pal. 



N. Y., vol. 5, pt. 2, p. 299, Up. 



Held. Gr. 

 faberi, S. A. Miller, 1884, Jour. Cin. Soc. 



Nat. Hist., vol. 7, p. 19, Hud. Riv. Gr. 

 fax, Hall, 1879, Pal. N. Y., vol. 5, p. 321, 



Schoharie grit, 

 fischeri, Hall, 1860, 13th Rep. N. Y. Mus. 



Nat. Hist,, p. 106, and Pal. N. Y., vol. 



5, pt. 2, p. 336, Ham. Gr. 

 fusiforme, Whitfield, 1882, Geo. Wis., vol. 



4, p. 338, Ham. Gr. 

 hertzeri, Hall & Whitfield, 1875, (Cyrto- 



ceras hertzeri,) Ohio Pal., vol. 2, p. 150, 



Niagara Gr. 



29 



