AMP.] 



CCELENTERATA. 



171 



cryptodeos, Billings, 1859, Can. Jour., vol. 



4, p. 115, Up. Held. Gr. 

 distans, Nicholson, 1874, Geo. Mag. n. s., 



vol. 1, p. 54, Up. Held. Gr. 

 dubia, see Favosites dubius. 

 explanatus, Hall, 1883, Rep. St. Geol., pi. 

 13, fi>. 16, and Pal. N. Y., vol. 6, p. 11, 

 Low: Held. Gr. 



exsul, see Cal- 

 lopora ex- 

 sul. 



ftscheri, see 

 Pachypora 

 fischeri. 

 fnmdosus, see 

 Paehypora 

 frondosa. 

 goldfussi,Bil- 

 lings, 1860, 

 Can. Jour., 

 vol. 5, p. 

 255, Ham. 

 Gr. 



granulosus, 

 James, 

 1875, Ca- 

 tal. Cin. 



FIG. 132.-Alveolites 

 goldfussi. 



p. 2. 



Not defined so as to be recognized. 

 hemisphericus, D'Orbigny, 1850, Prodr. d. 



Palfeont.. t. 1, p. 49. Not defined so as 



to be recognized, 

 irregularis, Whitfield, 1878, Ann. Rep. 



Geo. Sur. Wis., p. 72, and Geo. Wis., 



vol. 4, p. 251, Hud. Riv. Gr. 

 labechi, Edwards & Haime, 1851, Pol. 



Foss. d. Terr. Pal., p. 257, Anticosti Gr. 

 labiosus, Billings, 1859, Can. Jour., vol. 



4, p. 114, Up. Held. Gr. 

 megastoma, Winchell, 1866, Rep. Low. 



Penin. Mich., p. 89, Ham. Gr. 

 multilamella, Meek, 1877, U. S. Geo. Sur. 



40th Parallel, vol. 4, p. 25, Devonian, 

 niagarensis, Nicholson & Hinde, 1874, 



Can. Jour., vol. 14, p. 150, Niagara Gr. 

 niagarensis, Rominger, see A. undosus. 

 ramulosus, Nicholson, 1874, Geo. Mag. n. 



s., vol. 1, p. 55, Up. Held. Gr. 

 repens, Fought, 1749, (Millepora repens,) 



Amaen. Acad., vol. 1, p. 99, Niagara Gr. 

 reticulata, see Favosites reticulatus. 

 rockfordensis, Hall & Whitfield, 1873, 23d 



Rep. N. Y. St. Mus. Nat. Hist., p. 229, 



Chemung Gr. 

 roemeri, Billings, 1860, Can. Jour., vol. 5, 



p. 255, Ham. Gr. 

 selwyni, Nicholson, 1874, Geo. Mag. n. s., 



vol. 1, p. 15, Up. Held. Gr. 

 squamosus, Billings, 1860, Can. Jour., vol. 



5, p. 257, Up. Held. Gr. 

 strigillatus, Winchell, 1866, Rep. Low. 



Peninsula Mich., p. 89, Ham. Gr. 



subramosus, Rominger, 1876, Foss. Cor- 

 als, p. 43, Ham. Gr. 



undosus, S. A. Miller, 1883, Am. Pal. Foss., 

 2d ed., p. 262, Niagara Gr. Proposed for 

 the species described by Rominger in 

 1876, in Foss. Corals, p. 40, under the 

 preoccupied name of A. niagarensis. 



vallorum, Meek, 1868, Trans. Chi. Acad. 



Sci., p. 86, Devonian. 



AMPLEXUS, Sowerby, 1814, Mineral Conch- 

 ology, vol. 1, p. 165. [Ety. amplexus, 

 encircling.] Resembles Zaphrentis, ex- 

 cept the septa do not extend to the 

 center, they leave the upper surface of 

 the tabulae exposed in that part ; septal 

 fossula highly developed in the upper 

 portion of the corallum ; tabulae well 

 developed ; surface usually constricted. 

 Type A. coralloides. 



annulatus, Whitfield, 1878, Ann. Rep. 

 Geo. Sur. Wis., p. 80, and Geo. Wis., 

 vol. 4, p. 314, Niagara Gr. 

 cingulatus, Billings, 1862, Pal. Foss., vol. 



1, p. 106, Mid. Sil. 

 coralloides, Sowerby, 1814, Min. Conch., 



vol. 1, p. 165, Warsaw Gr. 

 exilis, Billings, 1875, Can. Nat. and Geol., 



vol. 7, p. 232, Up. Held. Gr. 

 fieldeni, Etheridge, 1878, Quar. Jour. Geo. 



Soc., vol. 34, p. 589, Niagara Gr. 

 fenestratus, Whitfield, 1878, Ann. Rep. 

 Geo. Sur. Wis., p. 80, and Geo. Wis., 

 vol. 4, p. 278, Niagara Gr. 

 fragilis, White & St. John, 1868, Trans. 



Chi. Acad. Sci., p. 116, Keokuk Gr. 

 hamiltonise, Hall, 1876, Illust. Dev. Foss., 



pi. 19, Ham. Gr. 

 intermittens, Hall, 1876, Illust. Dev. Foss., 



pi. 32, Ham. Gr. 



junctus, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Groups, p. 11, and 35th 

 Rep. N. Y. St. 

 Mus. Nat. 

 Hist., p. 415, 

 Niagara Gr. 

 laxatus, Billings, 

 (?) Can. Nat. 

 and Geol., vol. 

 (?) P . (?) Up. 

 Held. Gr. 

 mirabilis, Bil- 

 lings, 1875, 

 Can. Nat. and 

 Geol., vol. 7, 

 p. 232, Coal 

 Meas. 



p h r a gm o ceras, 

 Salter, 1852, 

 (Calophyllum 

 phragmoceras) 



FIG. 133. Amplexus yandelll 



Sutherland's Jour., vol. 2, p. ccxxx, 

 Niagara Gr. 

 shumardi, Edwards & Haime, 1851, (Cya- 



