CYR.] 



CEPHALOPODA. 



433 



acinacellum, Whitfield, 1886, Bull. Am. 

 Mus. Nat. Hist., vol. 1, p. 327, Birds- 

 eye Gr. 



semulum, Hall, 1879, Pal. N. Y., vol. 5, pt. 

 2, p. 371, Up. Held. Gr. 



alethes, Billings, 1865, Pal. Foss., vol. 1, p. 

 193, Quebec Gr. 



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

 pt. 2, p. 365, Marcellus Shale. Proposed 

 instead of C. undulatum of Hall. 



amnion, Billings, 1861, Can. Jour., vol. 6, 

 p. 361, Corniferous limestone. 



amcenum, S. A. Miller, 1878, Jour. Cin. 

 Soc. Nat. Hist., vol. 1, p. 105, Hud. 

 Riv. Gr. 



amplicorne, Hall, 1867, 20th Rep. N. Y. 

 Mus. Nat. Hist., p. 358, syn for C. her- 

 cules. 



annulatum, Hall, 1847. This name was 

 preoccupied by Goldfuss in 1832, see C. 

 subannulatum. 



arcticameratum, Hall, 1852, Pal. N. Y., vol. 

 2, p. 349, Guelpb Gr. 



arcuatum, Hall, 1847, Pal. N. Y., vol. 1, p. 

 196. The name was preoccupied by 

 Steininger in 1830, see C. subarcuatum. 



aristides, Billings, 1865, Pal. Foss., vol. 1, 

 p. 316, Quebec Gr. 



ashman ni, n. sp. Shell small, gently 

 curved; section subelliptical, becoming 

 subcircular near the point, the dorsal 

 side a little less convex, than the ven- 

 tral ; siphuncle near the dorsal side ; 

 surface longitudinally furrowed and 

 finely sculptured transversely, the fur- 

 rows and transverse lines most dis- 

 tinct on the ventral side ; there are 

 eight chambers in the 

 « p e c i m e n figured, 

 which is enlarged 

 o n e - h a 1 f diameter ; 

 body chamber un- 

 known. Collected by 

 Mr. George Ashmann, 

 among the minute fos- 

 sils at Spergen Hill, 

 Indiana, Warsaw Gr., 

 and is in the collection of Charles Faber. 



beekmanense, Whitfield, 1889, Bull. Am. 

 Mus. Nat. Hist., vol. 2, p. 57, Calcif- 

 erous Gr. 



bannisteri, see Trochoceras bannisteri. 



belus, Billings, 1861, Can. Jour., vol. 6, p. 

 361, Cornilerous Gr. 



boycii, Whitfield, 1886, Bull. Am. Mus. 

 Nat. Hist., vol. 1, p. 326, Birdseye Gr. 



billingsi, Salter, 1859, Can. Org. Rem., 

 Decade 1, p. 33, Chazy or Black Riv. Grs. 



bondi, Saftbrd, 1869, Geo. of Tenn., p. 290, 

 Nashville Gr. 



brevicorne, Hall, 1867, 20th Rep. N. Y. 

 Mus. Nat. Hist., p. 407, Niagara Gr. 



camurum, Hall, 1847, Pal. N. Y., vol. 1, p. 

 196, Trenton Gr. 



cancellatum, Hall, 1852, Pal. N. Y., vol. 2, 

 p. 290. The name was preoccupied by 

 Roemer in 1844. See C. subcancellatum. 



carrollense, Worthen, 1875, Geo. Sur. 111., 

 vol. 6, p. 496, Galena Gr. 



Fig. 728.— Cyrtoce- 

 r as ash manni. 

 The two section 

 views are natural 

 size. 



cessator, Hall & Whitfield, 1877, TJ. S. 



Expl. Exped. 40th parallel, vol. 4, p. 



278, Coal Meas. 

 citum, Hall, 1879, Pal. N. Y., vol. 5, p. 372, 



Up. Held. Gr. 

 clavatum, see Gomphoceras clavatum. 

 clitus, Billings, 1866, Catal. Sil. Foss. An- 

 tic, p. 85, Niagara Gr. 

 confertissimum, Whitfield, 1886, Bull. Am. 



Mus. Nat. Hist., vol. 1, p. 327, Birds- 

 eye Gr. 

 conicum, Owen, 1840, Rep. on Min. Lands, 



p. 70, Up. Magnesian Gr. 

 conoidale, Wetherbv, 1881, Jour. Cin. Soc. 



Nat, Hist, vol. 4," p. 78, Hud. Riv. Gr. 

 constrictostriatum, Hall, 1847, Pal. N. Y., 



vol. 1, p. 195, Trenton Gr. 

 corniculum, Hall, 1862, Geo. Rep. Wis. 



The name was preoccupied by Bar- 



rande in 1848, and again by Eichwald 



in 1860, see C. tenuistriatum. 

 corydon, Billings, 1866, Catal Sil. Foss. 



Antic, p. 85, Niagara Gr. 

 cretaceum, Whitfield, 1882, Ann. N. Y. 



Acad. Sci., vol. 2, p. 209, Up. Held Gr. 

 curtum, Meek & Worthen, 1860, Proc 



Acad. Nat. Sci. Phil., p. 468, and Geo. 



Sur. 111., vol. 2, p. 388, Up. Coal Meas. 



Was this name preoccupied bv Eich- 

 wald? 

 dactyloides, Dwight, 1884, Am. Jour. Sci. 



and Arts, 3d ser., vol. 27, p. 255, Cal- 



oiferous Gr. 

 dardanus, Hall, 1861, Rep. of Progr. Geo. 



Sur. of Wis., p. 43, Niagara Gr. 

 densum, Hall, 1879, Pal. N. Y., vol. 5, pt. 



2, p. 363, Ham. Gr. 

 dictvs, Billings, 1865, Pal. Foss., vol. 1, p. 



192, Quebec Gr. 

 dictyum, White, 1876, Proc. Acad. Nat. 



Sci., p. 33, Devonian, 

 dilatatum, Meek & Worthen, I860, Proc. 



Acad. Nat. Sci. Phil., p. 468, and Geo. 



Sur. 111., vol. 2, p. 389, Up. Coal Meas. 

 dorsatum, Swallow, 1858, Trans. St. Louis 



Acad. Sci., vol. 1, p. 197, Permian Gr. 

 eugenium, Hall, 1862, 15th Rep. N. Y. 



Mus. Nat. Hist., p. 70, and Pal. N. Y., 



vol. 5, pt. 2, p. 369, Schoharie grit, 

 eugium, Hall, 1861, Rep. of Progr. Wis., 



p. 40, Chazy and Black Riv. Grs. 

 exiguum, Billings, 1860, Can. Nat. and Geo., 



vol. 5, p. 172, Trenton Gr. This is 



made the type of the genus Climoceras 



by Hyatt, 

 faberi, James, 1886, Jour. Cin. Soc. Nat. 



Hist., vol. 8, p. 246, Hud. Riv. Gr. 

 falx, Billings, 1857, Rep. of Progr. Geo. 



Sur. Can., p. 314, and Can. Org. Rem., 



Decade 1, p. 32, Black Riv. and Tren- 

 ton Grs. 

 filosum, Emmons, 1842, Nat. Hist. N. Y., 



vol. 4, p. 392, Trenton Gr. 

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



pt. 2, p. 362, Ham. Gr. 

 fosteri, Hall, 1861, Rep. of Progr. Geo. Sur. 



Wis., p. 41, Niagara Gr. 

 fragile, Billings, 1866, Catal. Sil. Foss. 



Antic, p. 59, Anticosti Gr. 



