POLYPI. 



61 



spinigera, Lonsdale, 1845, Geo. Rus., vol. 

 1, Coal Meas. [Sig. bearing-spines.] 

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

 [Ety. streptos, twisted ; elasma, lamel- 

 la.] 



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

 Niagara Gr. [Sig. a little cup.] 



conulus, Rominger, ISTti, Foss, Corals, 

 Niagara Gr. [Sig. a little cone.] 



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

 Trenton & Hud. Riv. Gr. [Sig. a 

 little horn.] 



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

 Trenton Gr. [Sig. thick.] 



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

 Chazy Gr. [Sig. expanded.] 



minimum. Hall, 1876, 28th Reg. Rep., 

 Niagara Gr. [Sig. smallest.] 



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

 vol. 1, Trenton Gr. [Sig. having many 

 lamellae.] 



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

 Trenton Gr. [Sig. small.] 



.patulum, Rominger, 1876, Foss Corals, 

 Niagara Gr. [Sig. standing open.] 



profundum, Conrad, 1843, Proc.Acad.Nat. 

 Sci., (Cyathophyllum profundum) 

 Black Riv. & Trenton Grs. Was this 

 name preoccupied by Germar in 1840? 

 [Sig. deep.] 



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

 Birdseye & Black Riv. Grs. If, as 

 some claim, Streptelasma is a synonym 

 for Petraia then this name was pre- 

 occupied by Germar in 1840, as well as 

 by Conrad in 1843. 



radicans. Hall, 1876, 28th Reg. Rep., 

 Niagara Gr. [Sig. a root.] 



rectum. Hall, 1843, (Strombodes rectus) 

 Geo. Rep., 4th Dist. N. Y., Ham. Gr. 

 [Sig. straight.] 



spongiaxis, Rominger, 1876, Foss. Corals., 

 Niagara Gr. [Sig. from the sponge- 

 like axis.] 



strictum. Hall, 1874, 26th Reg. Rep., Ni- 

 agara Gr. [Sig. narrow, close.] 

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

 [Ety. striatm, striated ; pora, a pore.] 



carbonaria. White, 1862, Proc. Bost. Soc, 

 Nat. Hist., vol. 9, Burlington Gr. [Sig. 

 pertaining to coal.] 



cavernosa, Rominger, 1876, Foss. Corals, 

 Corniferous Gr. [Sig. full of cavities.] 



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

 Niagara Gr. [Sig. bent.] 



huronensis, Rominger, 1876, Foss. Corals, 

 Niagara Gr. [Ety. proper name.] 



iowensis, Owen, 1840, (Cyathopora iow- 

 ensis) Rep. on Min. lands of Iowa, etc.. 

 Ham. Gr. [Ety. proper name.] 



issa, Hall, 1874, 26th Reg. Rep. Low. Held. 

 Gr. [Ety. proper name.] 



linnteana, Billings, 1859, Can. Jour., 

 Ham. Gr. [Ety. proper name.] 



missouriensis, Meek & Worthen, 1868, 

 Geo. Sur. 111., vol. 3, Low. Held. Gr. 

 [Ety. proper name.] 



mgosa, Hall, 1858, Geo. of Iowa, Ham. 

 Gr. [Sig. wrinkled.] Syn. for Stria- 

 topora ioweiiMi. 

 Stromatocekium, Hall, 1847, Pal. N. Y., vol. 



1. [Ety. stroma, layer; kerkm, a honey- 

 comb.] 



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

 Birdseye & Black River Gr. [Sig. 

 wrinkled.] 

 Stromatopora, Goldfuss, 1826, Germ. Petref. 

 [Ety. stroma, stratum ; poros, a pore.] 

 This genus is regarded by some au- 

 thors as a sponge. 

 , alternata. Hall, 1873, 23rd Reg. Rep., 

 Chemung Gr. [Sig. alternating.] 



csespitosa, Winchell, 1866, Rep. Low. 

 Renin. Mich., Ham. Gr. [Sig. turf- 

 like.] 



compacta, Billings, 1862, Pal. Foss., vol. 1, 

 Black River Gr. [Sig. compact.] 



concentrica, Goldfuss, 1826, Germ. Petref., 

 Niagara Gr. [Sig. concentric] 



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

 Coralline limestone. [Sig. starry.] 



erratica, Hall, 1873, 23d Reg. Rep., Che- 

 mung Gr. [Sig. erratic] 



expansa. Hall, 1873, 23d Reg. Rep., Che- 

 mung Gr. [Sig: expanded.] 



granulata, Nicholson, 1873, Ann. & Mag. 

 Nat. Hist., 4th series, vol. 12, Cornifer- 

 ous Gr. [Sig. granulated.] 



hindi, Nicholson, 1874, Ann. & Mag. 

 Nat. Hist., 4th series, vol. 13. [Ety. 

 proper name.] 



incrustans. Hall, 1873, 23d Reg. Rep., 

 Chemung Gr. [Sig. incrusting.] 



mammillata, Nicholson, 1873, Ann. & 

 Mag. Nat. Hist., 4th series, vol. 12, 

 Corniferous Gr. [Sig. mammillated.j 



monticulifera, Winchell, 1866, Rep. Low. 

 Benin. Mich., Ham. Gr. [Sig. bearing 

 conical projections.] 



nodulata, Nicholson, 1875, Ohio Pal., vol. 



2, Corniferous Gr. [Sig. from the 

 elevations that cover it.] 



nux, Winchell, 1866, Rep. Low. Renin. 



Mich., Ham. Gr. [Sig. a nut.] 

 ostiolata, Nicholson, 1873, Ann, & Mag. 



Nat. Hist. 4th ser., vol. 12, Guelph Gr. 



[Sig. a little door.] 

 perforata, Nicholson, 1874, Ann. & Mag. 



Nat. Hist., 4th ser., vol. 13, Corniferous 



Gr. [Sig. perforated.] 

 ponderosa, Nicholson, 1875, Ohio Pal. vol. 



2, Corniferous Gr. [Sig. from its 



ponderous appearance.] 

 pustulifera, Winchell, 1866, Rep. Low. 



Penin. Mich., Ham. Gr. [Sig. bearing 



pustules.] 

 pmtuloaa, Safford. Not defined, 

 solidula. Hall, 1873, 23rd Reg. Rep., Che- 

 mung Gr. [Sig. solid.] 

 substriatella, Nicholson, 1875, Ohio Pal., 



vol. 2, Corniferous Gr. [Sig. some- 

 what finely striated.] 

 tuberculata, Nicholson, 1873,Ann. & Mag. 



Nat. Hist., 4th ser., vol. 12, Corniferous 



Gr. [Sig. tuberculated.] 



