HEX. INC.] 



CfELENTERA TA. 



193 



FIG. 182. Heliophylluin 

 halli. 



halli, Edwards & Haime, 1850, Brit. FOBS. 

 Corals, p. 235, Ham. Gr. 



halli var. obconi- 

 cum, Hall, 

 1876, 111 us t. 

 Dev. Foss., pi. 

 25, Ham. Gr. 

 halli var. re- 

 flexum, Hall, 

 1876, II lust. 

 Dev. Foss., pi. 

 23, Ham. Gr. 

 imbricatum,Hall, 

 1882, Foss. Cor- 

 als Niagara and 

 Up. Held. Grs., 

 p. 46, and 35th 

 Rep. N. Y. St. 

 Mus. Nat. Hist., p. 450, Up. Held. Gr. 

 incrassatum, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 46, and 

 12th Rep. Geo. Ind., p. 309, Up. Held Gr. 

 infundibulnm, Hall, 1883, 12th Rep. Geo. 



Ind., p. 305, Up. Held. Gr. 

 invaginatum, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 47, and 

 12th Rep. Geo. Ind., p. 306, Up. Held. Gr. 

 irregulare, Hall, 1876, Illust. Dev. Foss., 



pi. 24, Ham. Gr. 



latericrescens, Hall, 1882, Foss. Corals 

 Niagara and Up. Held. Grs., p. 49, and 

 12th Rep. Geo. Ind., p. 314, Up. Held Gr. 

 lineolatum, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 50, and 

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

 454, Up. Held. Gr. 



mitella, Hall, 1882, Foss. Corals Niagara and 

 Up. Held. Grs., p. 14, and 35th Rep. N. Y. 

 St. Mus. Nat. Hist., p. 418, Niagara Gr. 

 nettlerothi, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs. p. 51, and 12th 

 Rep. Geo. Ind., p. 312, Up. Held. Gr. 

 pocillatum, Hall, 1884, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 50, and 

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

 454, Up. Held. Gr. 



pravum, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Grs., p. 13, and 12th Rep. 

 Geo. Ind., p. 274, Niagara Gr. 

 proliferum, Nicholson, 1874, Rep. Pal. 



Ont. Can., p. 27, Up. Held. Gr. 

 proliferum, Hall, 1876, Illust. Dev. Foss., 

 pi. 26, is probably a syn. for H. pro- 

 liferum, Nicholson. 



puteatum, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Grs., p. 14, and 35th 

 Rep. N. Y. St. Mus. Nat. Hist., p. 418, 

 Niagara Gr. 



scyphulus, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 51, and 

 12th Rep. Geo. Ind., p. 306, Up. Held. Gr. 

 sordidum, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Grs., p. 52, and 12th Rep. 

 Geo. Ind., p. 311, Up. Held. Gr. 

 subcsespitosum, see Crepidophyllum sub- 



Cfespitosum. 



tenuimurale, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 51, and 

 12th Rep. Geo. Ind., p. 307, Up. Held. Gr. 



tenuiseptatum, Billings, 1859, Can. Jour., 

 vol. 4, p. 126, Ham. Gr. 



venatum, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Grs., p. 46, and 35th Rep. 

 N. Y. St. Mus. Nat. Hist., p. 450, Up. 

 Held. Gr. 



verticale, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Grs., p. 47, and 35th Rep. 

 N. Y. St. Mus. Nat, Hist., p. 451, Up. 

 Held. Gr. 



HETEROPHRENTIS, Billings, 1875, Can. Nat. 

 and Geo., vol. 7, p. 235. [Ety. heteros, 

 irregular; phren, midriff or lamella.] 

 . Corallum simple, turbinate, calice large, 

 septal fossette well-defined, bottom 

 smooth or with a pseudo-columella , 

 septa, below the calice, sharp edged; 

 often with their inner edges twisted 

 together, usually rounded on approach- 

 ing the margin ; apparently only a sin- 

 gle transverse diaphratrm, which forms 

 the floor of the cup. Type H. spatiosa. 



compta, Billings, 1875, Can. Nat. and Geo., 

 vol. 7, p. 236, Corniferous Gr. 



excellens, Billings, 1875, Can. Nat. and 

 Geo., vol. 7, p. 236, Corniferous Gr. 



prolifica, Billings, 1875, Can. Nat. and 

 Geo., vol. 7, p. 236, Corniferous Gr. 



spatiosa, Billings, 1858, (Zaphrentis spati- 

 osa,) Can. Nat. and Geo., vol. 3, p. 430, 

 Onondaga and Corniferous Gr. 

 Heterotrypa, Nicholson, 1879, Pal. Tab. 

 Cor., p. 291. Proposed as a subgenus 

 of Monticulipora-, making M. mammu- 

 lata the type which is the type of Mon- 

 ticulipora. This is a violation of the 

 elementary principles of nomenclature. 

 Houghtonia, syn. for Calapoecia. 



huronica, see Calaprecia huronica. 

 INOCAULIS, Hall, 1852, Pal. N. Y., vol. 2, p. 

 176. [Ety. inos, small sprouts ; kaulos, 

 stem.] Expanded, bifurcating, fenes- 

 trate, and usually indicated by simple 

 black rays connected by small cross 

 bars. Type I. plumulosus. 



FIG. 183. Inocaulis plumulosus. 



anastomica, Ringueberg, 1888, Proc. Acad. 

 Nat. Sci. Phil., p. 131, Niagara Gr. 



