HAD. — HEL.] 



CCELENTARA TA. 



191 



secalinus, see Diplograptus secalinus. 



serratulus, Hall, 1847, Pal. N. Y., vol. 1, 

 p. 274, Utica Slate. 



Sagittarius, Linnaeus, 1767, Syst. Nat., as 

 identified by Hall in Pal. N. Y., vol. 

 1, p. 272, Utica Slate. 



sextans, see Dicranograptus sextans. 



similis, Hall, 1865, Can. Org. Rem., Dec- 

 ade 2, p. 78, Quebec Gr. 



spinulosus, see Diplograptus spinulosus. 



subtenuis, Hall, 1877, Am. Pal. Foss., p. 

 244, Hud. Riv. Gr. 



tentaculatus, see Retiograptus tentacu- 

 latus. 



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

 272. The name was preoccupied by 

 Portlock in 1843. See G. subtenuis. 



venosus, see Retiolites venosus. 



whitfieldi, see Diplograptus whitfieldi. 



whitianus, S. A. Miller, 1883, Am. Pal. 

 Foss., p. 269, Hud. Riv. Gr. Proposed 

 instead of G. ramulus, White, 1874, 

 which was preoccupied. See Geo. 

 Sur. W. 100th Mer., vol. 4, p. 62. 

 Hadrophyllum, Edwards & Haime, 1850, 

 Brit. Foss. Corals, p. lxvii. [Ety. 

 hadros, mighty ; phyllon, leaf.] Coral- 

 lum short; calicle super- 

 ficial ; one very large septal 

 fossula and three small 

 ones representing a cross ; 

 radiate arrangement of the 

 septa somewliat irregular. 

 Type H. orbignyi. 

 glans, White, 1862, (Zaphren- 

 tis glans,) Proc Bost. Soc. 

 Nat. Hist., vol. 9, p. 32, 

 and Cont. to Pal., No. 8, p. 156, Bur- 

 lington Gr. 



orbignyi, Edwards & Haime, 1850, Brit. 

 Foss. Corals, p. lxvii, Up. Held Gr. 

 Haimeophyllum, Billings, 1859, Can. Jour., 

 vol. 4, p. 139, syn. for Chonosteg- 

 ites. 



ordinatum, see Chonostegites ordinatus. 

 Hallia, Edwards & Haime, 1851, Mon. 

 d. Pol Foss. d. Terr. Pal., p. 353. 

 [Ety. proper name.] Corallum tall, 

 turbinate ; septa extending to the cen- 

 ter ; one large septum occupying the 

 place of the septal fossula, and the 

 neighboring septa directed toward it, so 

 as to assume a pinnate arrangement; 

 no columella. Type H. insignia. 



divergens, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 8, and 

 35th Rep. N. Y. Mus. Nat. Hist., p. 

 412, Niagara Gr. 



divisa, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Grs., p. 8, and 35th Rep. 

 N. Y. St. Mus. Nat. Hist., p. 412, Ni- 

 agara Gr. 



insignis, Edwards & Haime, 1851, Mon. 

 d. Pol. Foss. d. Terr. Pal., p. 353, Up. 

 Held. Gr. 



pluma, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Grs., p. 8, and 35th Rep. 

 N. Y. St. Mus. Nat. Hist., p. 412, Ni- 

 agara Gr. 



scitula, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Grs., p. 7, and 35th Rep. 

 N. Y. St. Mus. Nat. Hist., p. 411, Ni- 

 agara Gr. 

 Halysites, Fischer, 1813, Zoognosia, vol. 1, 

 p. 387. [Ety. halyson, a small chain.] 

 Corallites long, arranged iu single 

 series, united laterally in the form of 

 elliptical expansions, presenting a 

 chain-like arrangement; epitheca 

 thick ; septa usually absent or rudi- 

 mentary, but, in perfect specimens, ex- 

 tending to the center of the visceral 

 chamber ; tabulae horizontal. Type H. 

 catenulatus. 



agglomeratus, Hall, 1843, (Catenipora ag- 

 glomerate,) Geo. Rep. 4th Dist. N. Y., 

 Tab. Foss. No. 22, fig. 2, and Pal. N. Y., 

 vol. 2, p. 129, Niagara Gr. 



catenulatus, Lin- 

 naeus, 1767, (Tu- 

 b i p o r a caten- 

 ulata,) Syst. Nat. 

 12th Ed., p. 1270, 

 Niagara Gr. 



catenulatus v a r. 

 fieldeni, Eth-'ill 

 eridge, 1878,^! 

 Quar. Jour. Geo. 

 Soc, vol. 34, p. 

 582, Up. HI. 



catenulatus var. 

 harti, Etheridge, 

 1878, Quar. Jour. 

 Geo. Soc, vol. 

 34, p. 583, Up. 

 Sil. 



catenulatus var. 

 microporus, 



Whitfield, 1882, Geo. Wis., vol. 4, p. 272, 

 Niagara, Gr. 



compactus, Rominger, 1876, Foss. Corals, 

 syn. for H. agglomeratus. 



escharoides, Lamarck, 1816, (Catenipora 

 escharoides,) Hist, des Anim. sans 

 Vert., vol. 2, p. 207, Niagara Gr. 



gracilis, Hall, 1851, (Catenipora gracilis,) 

 Geo. Lake Sup. Land Dist., vol. 2, p. 

 212, Hud. Riv. Gr. 



labyrinthicus, Goldfuss, 1826, (Catenipora 

 labyrinthica,) Petrei. Germ., p. 71, 

 Niagara Gr. 



meandrina, Troost, 1840, (Catenipora' 

 meandrina,) 5th Geo. Rep. Tenn., 

 Niagara Gr. The definition is too 

 meagre for identification. 



parryi, Konig, 1824, (Catenipora parryi,) 

 Supp. to App. of Capt. Parry's Voyage 

 for the Discovery of a North-west 

 Passage, Up. Sil. 



sexto-attenuatus, Owen, 1862, Geo. Sur. 

 Ind., p. 362, Niagara Gr. 



Harmodites rugosus, D'Orbigny, 1850, 

 Prodr. de Paleont., t. 1, p. 50. Not de- 

 fined so as to be recognized. 

 Heliolites, Guettard, 1770, Mem. 3, p. 454. 

 [Ety. helios, sun ; lithos, stone.] Coral- 

 lum spheroidal, hemispherical or ramose; 

 corallites of larger and smaller size, the 



Fio. 180.— Halysites ca- 

 tenulatus. 



