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. Paheoz., 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- 

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

 Gr. [Ety. proper name.] 

 Pal.eocyclus, Edwards & Haime, 1849, 

 Polypiers Fossiles. [Ety. potato*, an- 

 cient ; kuklos, a circle.] 



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

 Devonian. [Ety. proper name.] 

 Pal.eophyllum, Billings, 1858, Rep. of Prog. 

 Can. Sur. [Ety. jjalaios, ancient; 

 phyllon, a leaf.] 



divaricans, Nicholson, 1875, Pal. Ohio, 

 vol. 2, Cin'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. 

 Petraia, Munster, 1839, Beitrage zur Petre- 

 factenkunde, etc. [Ety. petraios, that 

 grows among rocks.] Streptelasma is 

 regarded by some as a sub-genus and 

 by others as a synonym. 



angulata, Billings, 1S62, Pal. Foss., vol. 1, 

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



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

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



fanningana, Safford, 1869, Geo. of Tenn., 

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



forresteri, 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.] 



minganensis, 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, Safford, 1869, Geo. of Tenn., 

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



Phillipsastrea, D'Orbigny, 1849, Note Sur 



des Polypiers Fossiles. [Ety. proper 



name; astrta, from aster, 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.] 

 verneuili, Edwards & Haime, 1850, Poly- 

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



proper name.] 

 yandelli, Rominger, 1876, Foss. Corals, 



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

 Phyllograptus, Hall, 1858, Rep. of Progr. 



Can. Sur. [~Ety . phyllon, a leaf ; 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.] 

 Plasmopora, 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.] 

 PLEURODiCTYUM,Goldfuss, 1826, Petref.Germ., 



vol. 1. [Ety. pleura, side ; dictyon, 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, (Filiates gracilis) 



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



slender.] 

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



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



[Sig. plume-like.] 

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



syn. for Zaphrentis. 

 turbinatum, see Zaphrentis turbinata. 

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



Vert. [Ety. poros, a pore.] 

 astrsziformis, 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. 

 vetustus, see Protarea vetusta. 

 Prionotus, Hisinger, Leth. Suec. 

 folium, see Diplograptus folium. 

 pristis, see Diplograptus pristis. 



