AUL. AXO.] 



CCELENTERATA. 



173 



prsecipturn, Hall, 1882, Foss. Corals Ni- 

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

 12th Rep. Ind. Geo., p. 280, Up. Held. Gr. 



prateriforme, Hall, 1882, Foss. Corals Ni- 

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

 12th Rep. Ind. Geo., p. 282, Up. Held. Gr. 



FIG. 136. Aulacophyllum princeps. 



princeps, Hall, 1882, Foss. Corals Niagara 

 and Up. Held Grs., p. 23, and 12th Rep. 

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



reflexum, Hall, 1882, Foss. Corals Niagara 

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

 Ind. Geo., p. 284, Up. Held. Gr. 



sulcatum, D'Orbigny, 1850, (Caninia sul- 

 cata,) Prodr. d. Pal. t, 1, p. 105, and 12th 

 Rep. Ind. Geo., p. 279, Up. Held. Gr. 



tripinnatum, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 25, and 

 12th Rep. Ind. Geo., p. 285, Up. Held. Gr. 



trisculcatum, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 25, and 

 12th Rep. Ind. Geo., p. 279, Up. Held. 

 Gr. 



AULOPHYLLUM, Edwards & Haime, 1850, 

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

 pipe; phyllon, leaf.] Corallum simple; 

 septa well-developed ; mural invest- 

 ments double, the interior dividing the 

 visceral chamber into two parts one 

 central and columnar, the other exter- 

 nal and annular; no columella ; tabulae 

 not well developed. Type A. proliferum. 



richardsoni, Meek, 1868, Trans. Chi. Acad. 



Sci., p. 81, Devonian. 



AULOPORA, Goldfuss, 1826, Petref. Germ., p. 

 82. [Ety. aulos, pipe; poros, pore.] 

 Creeping, increasing by latero-basal 

 gemmation ; corallites pyriform, trum- 

 pet-shaped, the cavity of each commu- 

 nicating with the one from which it 

 springs ; no pores ; septa absent or ru- 

 dimentary. Type A. serpens. 



annectans, Clarke, 1885, Bull, 16. U. S. 



Geo. Sur., p. 63, Genesee shales, 

 aperta, Winchell, 1866, Rep. Low. Penin. 



Mich., p. 91, Ham. Gr. 

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



p. 76, Trenton and Hud. Riv. Gr. 

 canadensis, see Hederella canadensis. 

 conferta,Winchell, 1866, Rep. Low. Penin. 



Mich., p. 91, and Rominger's Foss. Cor- 

 als, p. 88, Ham. Gr. 

 cornulites, Hall, 1883, Rep. St. Geo., pi. 2, 



figs. 21 and 22, Low. Held. Gr. 

 cornuta, see Romingeria cornuta. 

 cyclopora, Winchell, 1866. Rep. Low. Pe- 

 nin. Mich., p. 92, Ham. Gr. 

 elongata, Hall, 1887, Pal. N. Y., vol. 6., p. 



5, Low. Held. Gr. 

 erecta, Rominger, 1876, Foss. Corals, p. 88, 



Ham. Gr. 



filiformis, see Hederella filiformis. 

 iowensis, Hall & Whitfield, 1873, 23d Rep. 



N. Y. St. Mus. Nat. Hist., p. 235, Che- 



mung Gr. 

 precius, Hall, 1876, 28th Rep. N. Y., St. 



Mus. Nat. Hist., p. 107, Niagara Gr. 

 repens, Walch, et Knorr, 1775, (Millepo- 



rites repens,) Sammlung von Merkw., 



vol. 3, p. 179, and Sil. Fauna W. Tenn., 



p. 28, Niagara Gr. 

 saxivada, Hall & Whitfield, 1873, 23d Rep. 



N. Y. St. Mus. Nat. Hist., p. 235, Che- 



mung Gr. 

 schoharie, Hall, 1874, 26th Rep. N. Y. St. 



Mus. Nat. Hist., p. 110, Low. Held. Gr. 

 serpens, Goldfuss, 



1826, Germ. Pe- 

 tref., p. 82, and 



Rominger's Foss. 



Corals, p. 87, 



Ham. Gr. 

 serpuloides, Win- 

 chell, 1866, Rep. 



Low. Penin. 



Mich., p. 91, 



Ham. Gr. 

 subtenuis, Hall, 



1883, Rep. St. Geo., pi. 2, fig. 9-20, Low. 



Held. Gr. 

 tubiformis, Goldfuss, 1826, Germ. Petref., 



p. 82, and Murch. Sil. Syst., Up. Held. 



and Ham. Gr. 

 tubula, Hall, 1883, Rep. St. Geo., pi. 2, fig. 



7-8, Low. Held. Gr. 

 umbellifera, see Romingeria umbellifera. 

 vanclevii, Hall, 1883, 12th Rep. Ind. Geo., 



p. 255, Niagara Gr. 

 Axinura, Castlenau, syn. for Lithostro- 



tion. 

 canadense, see Lithostrotion canadense. 



AXOPHYLLUM, Ed- 

 wards & Haime, 

 1850, Brit. 

 Foss. Corals, p. 

 Ixxii. [Ety. cmm, 

 axis; phyllon, 



FIG. 137. Aulopora 

 serpens. 



FIG. 138. Axophyllum 



simple r trochoid, 



and in structure resembling Lithostro- 

 tion. Type A. expansum. 



leaf.] Corallum 

 ple r t 



