204 



CCELENTERATA. 



[STR. 



Strephodes, McCoy, 1849, syn. for Cyatho- 

 phyllum. 



austini, see Clisiophyllum austini. 



pickthorni, see Cyathophyllum pick- 

 thorni. 

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

 p. 17. [Ety. streptos, twisted ; elasma, 

 lamella.] Turbinate, gradually or ab- 

 ruptly expanding; cup deep; lamella? 

 or septa longitudinal, spirally twisted 

 toward the center; no tabulae or fos- 

 sette. Type S. expansum. 



asquidistans, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Gre., p. 20, and 

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

 424, Up. Held. Gr. 



ampliatum, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs., p. 19, and 

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

 423, Up. Held. Gr. 



angulatum, Billings, 1862, (Petraia an- 

 gulata,) Pal. Foss., vol. 1, p. 103, Hud. 

 Riv. Gr. 



apertum, Billings, 1862, (Petraia aperta,) 

 Pal. Foss., vol. 1, p. 102, Black 

 Riv. Gr. 



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

 p. Ill, Niagara Gr. 



coarctatum, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Grs; p. 21, and 

 12th Rep. Geo. Sur. Ind., p. 275, Up. 

 Held. Gr. 



conspicuuni, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Gre., p. 19, and 

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



423, Up. Held. (ir. 



conulus, Rominger, 1876, Foss. Corals, p. 

 144, Niagara Gr. 



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

 p. 69, Trenton and Hud. Riv. Gre. 



crassum, Hall, 1847, Pal. N. V., vol. 1, p. 

 70, Trenton Gr. 



crateriforme, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. Gre., p. 20, and 

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



424, Up. Held. Gr. 



dissiraile, Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Grs., p. 17, and 35th Rep. 

 N. Y. St. Mus. Nat. Hist., p. 421, Up. 

 Held. Gr. 



Fig. 219.— Streptelasma lnflatum, transverse 

 section. 



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

 p. 17, Chazy Gr. 



extans. Hall, 1882, Foss. Corals Niagara 

 and Up. Held. Gre., p. 5, and :;.">th Sep, 

 N. Y. St. Mus. Nat. Hist., p. 400, Ni- 

 agara Gr. 



fanningana, Sat ford, 18(!!t, < Petraia fan- 

 ningana,) Geo. Tenn., p. 320, Low. 

 Held. <ir. 



fossula, Hall, 1882, Foss. Corals Niagara 

 and Up. Held, (irs., p. 19, and 35th P.p. 

 N. Y. St. Mus. Nat. Hist., p. 128, Pp. 

 Held. Gr. 



inflatum, Hall, 1882, Foss. Corals Niagara 

 and Up. Held, (ire., p. IS. an, 1 12th Rep. 

 Geo. Ind., p. 276, Up. Held. (ir. 



involutum, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. (irs.. p 10, sad 

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

 41M, Pp. Held. (ir. 



lamellatum, Hall, 1882, Fobs. Corals Ni- 

 agara and Pp. Held, (irs., p. 17, and 

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

 421, Pp. Held. (ir. 



laterarium, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held. < irs., p. 18, and 35th 

 Rep. N. Y. St. Mus. Nat. Hist., p. 422, 

 Coruiferous limestone. 



latURCula, Billings, 1862, (Petraia latus 

 cula,) Pal., Fobs., vol. l, p. 104, Mid. 

 Sil. Anticosti, Div. 4. 



limitare, Hall, 1882, Foss. Corals Niagara 

 and Pp. Held. (irs.. p. 6, and 36th Rep. 

 N. Y. St. Mus. Nat. Hist., p. M0, Ni- 

 agara < ir. 



logani, Nicholson, 1875, (Petraia logani,) 

 < an. Nat., vol. 7, p. 143, Up. Held. 

 (Jr. 



mammiferum. Hall, 1882, Foss. Corals 

 Niagara and Pp. Held, (irs., p. 21, and 

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

 425, Up. Held. (ir. 



minimum, Hall, 1876, 28th Pep. N. Y. St, 

 Mus. Nat. Hist., p. 106, syn. for I>un- 

 canella borealis. 



multilamellosum, Hall, 1847, Pal. N. Y., 

 vol. 1, p. 70, Trenton (ir. 



ottawensis, Billings, 1865, (Petraia otta- 

 wensis.) Can. Nat. and Geo., 2d ser., 

 vol. 2, Trenton Gr. 



papillatum, Hall, 1882, Foss. Corals Ni- 

 agara and Up. Held, (irs., p. 21, and 

 12th Rep. (ieo. Ind., p. 276, Pp. 

 Held. (ir. 



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

 71, Trenton (ir. 



patulurn, Rominger, 1876, Foss. Corals, p. 

 143, Niagara < ir. 



profundum, Conrad, 1843, Proc. Acad. 

 Nat. Sci. Phil., p. 335, (Cyathoplivllum 

 profundum,) and Hall, 1847, Pal. N. Y., 

 vol. 1, ]). 49, Birdseye, Black Riv. and 

 Trenton Grs. 



pulchellum, Billings, 1865, (Petraia pul- 

 chella,) Can. Nat. and (ieo., 2d ser., vol. 

 2, p. 424, Mid. Sil. 



pygmauin, Billings, 1862, (Petraia pyg- 

 mrea,) Pal. Foss., vol. 1, p. 103, Mid. Sil. 

 Anticosti, Div. 4. 



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

 Mus. Nat. Hist., p. 106, Niagara Gr. 



