172 



CCELENTERATA. 



[ANI. — AUL. 



thophyllum shumardi,) Pol. Foss. Terr. 

 Pal., p. 370, Niagara Gr. 

 uniformis, Hall, 1882, Foss. Corals Niagara 

 & Up. Held. Grs., p. 11, and 35th Rep. 

 N. Y. S.t. Mus. Nat. Hist., p. 415, Niag- 

 ara Gr. 

 yandelli, Edwards & Haime, 1851, Pol. 

 Foss. d. Terr, Pal., p. 344. Up. Held. Gr. 

 zaphrentiformis, White, 1876, Geo. of 

 Uinta Mountains, p. 107, and Cont. to 

 Pal. No. 6, p. 120, Low. Aubrey Gr. 

 Anisophyllum, Edwards & Haime, 1851, 

 Pol. Foss. d. Terr. Pal., p. 351. fEty. 

 anisos, unequal ; phyllon, leaf.] Distin- 

 guished from Zaphrentis by the great de- 

 velopment of three primary septa, one of 

 which faces the septal fossula; this fos- 

 sula extends to the center of the visceral 

 chamber, and there ceases to be dis- 

 tinct from the bottom of the calycle. 

 Type A. agassizi. 

 agassizi, Edwards &\ Haime, 1851, Pol. 

 Foss. d. Terr. Pal., p. 351, Low. Held. Gr. 

 bilamellatum, Hall, 1882, Foss. Corals 

 Niagara and Up. Held. Grs., p. 9, and 

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

 413, Niagara Gr. 

 trifurcatum, Hall, 1882, Foss. Corals 

 Niagara and Up. Held. Grs., p. 9, and 

 12th Rep. Ind. Geol. & Nat. Hist., p. 

 273, Niagara Gr. 



unilargum, Hall, 1882, Foss. 

 Corals Niagara and Up. Held. 

 Gre., p. 8, and 12th Rep. Ind. 

 Geol. & Nat Hist., p. 272, 

 Niagara Gr. 

 Anthophyllum, Schweigger, 1820, 

 Handb. der. Naturg., p. 417, 

 Not a Palaeozoic genus. 

 dcnliculatum, Goldfuss, 1826, 

 Petref. Germ., p. If,. Niagara 

 Gr. Not determined. 

 txpansum, Owen, 1840, Rep. on 

 Mineral Lands, p. 69. Not defined so 

 as to be recognized. 

 Arachnophyllum, Dana, 1848, Zoophytes 

 U. S. Expl. Exped., vol. 8, p. 360. [Ety. 

 arachne, spider ; phyllon, leaf.] Massive, 

 encrusting, having obtusely defined 

 polygonal scars, with a depressed, flat- 

 tened center, in which the septa meet ; 

 septa thin, perforated ; buds marginal, 

 structure vesicular, arranged in trans- 

 verse undulations, corresponding tn the 

 form of the cells; no defining walls to 

 the center or between the stars ; center 

 marked by a few vertical striae, resulting 

 from the twisted edges of the septa. 

 Type A. baltica. (Acervularia baltica of 

 authors.) 

 richardsoni, Salter, 1852, Sutherland's 

 Jour., vol. 2., p. ccxxxii, Up. Sil. 

 Astraea, Lamarck, 1816, Hist. Nat. d. Anim. 

 sans Vert., vol. 2, p. 257. Not a 

 Palaeozoic genus, 

 jrigraa, see Phillipsastrea gigas. 

 hennahi, see Smithia hennahi. 

 helianthoides, see Heliophyllum halli. 

 mammillaris, see Strombodes mammillaris. 



mammt'Marw, see Lithostrot ion mammillare. 



rugo8a, see Cyathophyllum rugosum. 



lemllata, Troost. Not defined. 

 AstRjEOphyllcm, Nicholson & Hinde, 1*74, 

 Can., Jour., vol. 14, p. 152. [Ety. aster, 

 star": phyllon, leaf.] Corallum aggregate ; 

 corallites cylindrical and united by nu- 

 merous mural expansions, which form 

 complete floors; septa meeting in the 

 center, forming a columella; costal 

 radii prolonged over the successive ex- 

 othecal floors ; tabula- rudimentary or 

 absent (?). Type A. gracile. 



Fig. 1&— Attrwophyllum gracile, greatly <n 

 larged, ■bowing euicea, oonflaenl manu ex- 



pMUdOIU, and costal radii 



gracile, Nicholson & Hinde, 1874, Can. 

 Jour., vol. 14, p. 153 and Pal. Ontario, 

 p. 57, Niagara Or. 

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

 p. 120. [Ety. aster, star; kerion, honey- 

 comb.] It was supposed to be distin- 

 guished from Favosites by the presence 

 of twelve or more slender spiniform 

 rays, but it is a synonym. Type A. 

 venustum. 



constriclum, see Favosites constrictus. 



parasitiatm, sec Favosites parasiticus. 



pyriforme, see Favosites pyritormis. 

 turn, see Favosites venustus. 

 Aulac-ohiyi.i I'M, Edwards A Haime, 1850, 

 Brit. Foss. Corals, p. Ixvii. [Ety. aulos, 

 furrow ; phyllon, leaf.] Resembles Hal- 

 lia, though the septal fossula is not re- 

 placed by a primary septum, but forms 

 a narrow groove at the bottom where 

 the adjoining septa meet. Type A. 

 sulcatum. 



bilaterale, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Grs., p. 25, and 35th 

 Rep. N. Y. St. Mus. Nat. Hist., p. 429, 

 Up. Held. Gr. 



convergens, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 22, and 12th 

 Rep. Ind. Geo., p. 281, Up. Held. Gr. 



cruciforme, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 24, and 12th 

 Rep. Ind. Geo., p. 283, Up. Held. Gr. 



pinnatum, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 23, and 

 12th Rep. Ind. Geo., p. 284, Up. Held. Gr. 



poculum, Hall, 1882, toss. Corals Niagara 

 and Up. Held. Grs., p. 25 and 12th Rep. 

 Ind. Geo., p. 283, Up. Held. Gr. 



