POLYPI. 



59 



stokesi, M. Edwards, (Ptychophyllum 



stokesi) as identified by Rominger, 



1876, Foss. Corals, Niagara Gr. [Ety. 



proper name.] 

 verrucosa, Edwards & Haime, 1851, Mon. 

 Pol. Foss. Terr. Palfeoz., Niagara Gr. 



[Sig. warty.] 

 Pachyphyllum, Edwards & Haime, 1850, 



Brit. Foss. Corals. [Ety. pachys, thick ; 



phyllon, a leaf.] 

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

 mung Gr. [Sig. alone, solitary.] 

 woodmani. White, 1870, (Smithia wood- 



niani) Geo. Rep. Iowa, vol. 1, Ham. 



Gr. [Ety. proper name.] 

 Pal^ocyclus, Edwards & Haime, 1849, 



Polypiers Fossiles. [Ety. palaios, an- 

 cient ; ImUos, a circle.] 

 kirbyi. Meek, 1868, Trans. Chi. Acad. Sci., 



Devonian. [Ety. proper name.] 

 PaljEophyllum, Billings, 1858, Rep. of Prog. 



Can. Sur. [Ety. palam, ancient; 



phyllon, a leaf.] 

 divaricans, Nicholson, 1875, Pal. Ohio, 



vol. 2, Oin'ti Gr. [Sig. wide-apart.] 

 rugosum, Billings, 1858, Rep. of Progr., 



Trenton Gr. [Sig. wrinkled.] 

 Palaeotrochis, Emmons, 1856, Geo. Rep. Mid- 

 land counties of North Carolina. This 



form Prof. Hall, and later Prof. Marsh, 



ascertained to be a peculiar concretion. 

 major, Emmons. A concretion. 

 minor, Emmons. A concretion. 

 Pbtraia, Munster, 1839, Beitrage zur Petre- 



factenkunde, etc. [Ety. petraioa, tliat 



grows among rocks.] Streptelasma is 



regarded by some as a sub-genus and 



by others as a synonym, 

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



Hud. Riv. Gr. [Sig. angular.] 

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



Black Eiv. Gr. [Sig. standing open.] 

 fanningana, SafFord, 1869, Geo. of Tenn., 



Low. Held. Gr. [Ety. proper name.] 

 fmresteri, Honeyman, 1868, Acadian 



Geology. Catalogue name, 

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



Mid. Sil. [Sig. a little waist.] 

 logani, Nicholson, 1875, Can. Nat. & Geo., 



Corniferous Gr. [Ety. proper name.] 

 minganensh, see Archeocyathus mingan- 



ensis. 

 ottawaensis, Billings, 1865, Can. Nat. & 



Geo., 2d series, vol. 2, Trenton Gr. 



[Ety. proper name.] 

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



Mid. Sil. [Sig. diminutive in size.] 

 pulchella, Billings, 1865, Can. Nat. & 



Geo., 2d series, vol. 2, Mid. Sil. [Sig. 



lovely, very pretty.] 

 rustica, Billings, 1858, Rep. of Progr., 



Hud. Riv. Gr. [Sig. rustic, uncouth.] 

 selecta, Billings, 1865, Can. Nat. & Geo., 



2d series, vol. 2, Mid. Sil. [Sig. select, 



choice.] 

 waynensis, Saflford, 1869, Geo. of Tenn., 



Low. Held. Gr. [Ety. proper name.] 



PiiiLLiPSASTEEA, D'Orbiguy, 1849, Note Sur 

 des Polypiers Fossiles. [Ety. proper 

 name; astrea, from aste/-, a star.] 

 affinis, Billings, 1874, Pal. Foss., vol. 2, 



Devonian. [Sig. adjoining.] 

 gigas, Owen, 1840, (Astrsea gigas) Rep. on 

 Mineral lands, Devonian. [Sig. large.] 

 mammillaris, Owen, 1840, (Astrea mam- 

 millaris) Rep. on Mineral lands, De- 

 vonian. [Sig. mammillated.] 

 verneuih, Edwards & Haime, 1850, Poly- 

 piers Foss. des Terr., Ham. Gr. [Ety. 

 proper name.] 

 yandeUi, Rominger, 1876, Foss. Corals, 

 Up. Held. Gr. [Ety. proper name.] 

 Phyllograptus, Hall, 1858, Rep. of Progr. 

 Can. Sur. [Ety.p/tj/Hon, aleaf ; grapho, 

 to write.] 

 angustifolius. Hall, 1858, Rep. of Progr. 

 Can. Sur., Quebec Gr. [Sig. narrow- 

 leaved.] 

 anna, Hall, 1865, Can. Org. Rem., Decade 

 2, Quebec Gr. [Ety. proper name.] 

 ilicifolius. Hall, 1858, Rep. of Progr. Can. 



Sur., Quebec Gr. [Sig. oak-leaved.] 

 loringi. White, 1874, Rep. Invertebrate 

 Foss., Quebec Gr. [Ety. proper 

 name.] 

 similis. Hall, 1858, Can. Nat. & Geo., vol. 



4, Quebec Gr. [Sig. similar.] 

 typus, Hall, 1858, Rep. of Progr. Can. Sur., 

 Quebec Gr. [Ety. type of the genus.] 

 Plasmopoea, Edwards & Haime, 1849, Comp- 

 tes rend., t. 29. [Ety. plasma, a cast; 

 poros, a pore.] 

 follis, Edwards & Haime, 1850, Mon. Pol. 

 Foss., Niagara Gr. [Sig. a bag of 

 leather.] 

 PLEnEODiCTYUM,Goldfuss, 1826, Petref.Germ., 

 vol. 1. [Ety. pleura, side ; diciyon, a 

 net.] 

 problematicum, Goldfuss, 1826, Petref. 

 Germ., vol. 1, Onondaga Gr. [Sig. 

 doubtful.] 

 Plumalina, Hall, 1858, Can. Nat. & Geo., 

 vol. 3. [Sig. like a feather.] 

 gracilis, Shumard, 1855, (Filicites gracilis) 

 Geo. Rep. Mo., Lithographic Gr. [Sig. 

 slender.] 

 plumaria. Hall, 1843, (Filicites ?) Geo. 

 Rep. 4th Dist. N. Y., Chemung Gr. 

 [Sig. plume-like.] 

 Polydila»na, Hall, 1852, Pal. N. Y., vol. 2, 

 syn. for Zaphrentis. 

 turbinatum, see Zaphrentis turbinaita. 

 PoEiTES, Lamarck, 1816, Hist, des Anim. sans 

 Vert. [Ety. poros, a pore. ] 

 astrxiformis, Owen, 1840, Rep. on Mineral 

 lands, Devonian. This may be the 

 same species subsequently described 

 as Pachyphyllum woodmani. 

 pyriformis, as identified by d'Archiac & 



Verneuil. Not American. 

 vetmtus, see Protarea vetusta. 

 Prionotus, Hisinger, Leth. Suec. 

 folium, see Diplograptus folium. 

 pristis, see Diplograptus pristis. 



