BRYOZOA. 



99 



Hkterodiotya, Nicholson, 1875, Geo. Mag., 



vol. 2, n. s. [Ety. heteros, irregular; 



(Uctyon, & net.] The correct, ortho- 

 graphy is Heterodictyon. 

 gigantea, Nicholson, 1875, Geo. Mag., vol. 



2, Low. Garb. [Sig. large, gigantic] 

 Hippotfwa, Lamouroux, 1821, Expos, method. 



mflaia, see Alecto inflata. 

 HoRNBBA, Lamouroux, 1821, Expos, method. 



des genres de I'Ordre des Pol. [Ety. 



proper name.] 

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



Niagara Gr. [Sig. divided into two ; 



forked.] 

 IcHTHVORACHis, McCoy, 1844, Carb. Foss. 



Ireland. [Ety. ichthys, a fish ; rachis, 



a backbone.] 

 nereis, Hall, 1874, 26th Reg. Rep., Low. 



Held. Gr. [Ety. mythological name.] 

 Intbicaria, Defrance, 1823, Dictionnaire des 



Sciences Naturelles. [Ety. inirico, to 



entangle.] 

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



Trenton & Cin'ti Gr. [Sig. net- 



woi-ked.] 

 Lichen ALIA, Hall, 1852, Pal. N. Y., vol. 2. 



[Sig. from resemblance to a marine 



lichen.] 

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



Niagara Gr. [Sig. concentrically 



wrinkled. ] 

 concentrica var. parvula. Hall, 1876, 28th 



Reg. Rep. N.Y., Niag. Gr. [Sig. small.] 

 Lyropora, Hall, 1857, Proc. Am. Assoc. Ad. 



Sci., vol. 10. [Ety. lyra, a lute; pora, 



a pore.] 

 lyra, Hall, 1857, Proc. Am. Ass. Ad. Sci., 



vol. 10, Kaskaskia Gr. [Sig. a lute.] 

 quincuncialis, Hall, 1857, Proc. Am. Ass. 



Ad. Sci., vol. 10, Kaskaskia Gr. [Sig. 



in the form of a quincunx ; an oblique 



arrangement.] 

 retrorsa. Meek & Worthen, 1868, Geo.Sur. 



111., vol. 3, Burlington Gr. [Sig. 



turned back.] 

 subquadrans. Hall, 1857, Proc. Am. Ass. 



Ad. Sci., vol. 10, Kaskaskia Gr. [Sig. 



somewhat square.] 

 Paleschara, Hall, 1874, 26th Reg. Rep. 



[Sig. ancient Eichara.'] 

 aspera, Hall, 1876, 28th Reg. Rep., Ni- 

 agara Gr. [Sig. rough.] 

 bifoliata, Hall, 1874, 26th Reg. Rep., Low. 



Held. Gr. [Sig. two-leaved.] 

 incrustans, Hall, 1874, 26th Reg. Rep., 



Low. Held. Gr. [Sig, incrusting other 



objects.] 

 maculata. Hall, 1876, 28th Reg. Rep., Ni- 

 agara Gr. [Sig. spotted.] 

 offula. Hall, 1876, 28th Reg. Rep., Niag- 

 ara Gr. [Sig. a small piece.] 

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



Niagara Gr. [Sig. a little ball.] 

 Ph^nopora, Hall, 1852, Pal. N. Y., vol. 2. 



[Ety. phaino, to open or make a 



window; pwos, a pore.] 

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



Clinton Gr. [Sig. starred.] 



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



Clinton Gr. [Ety. like a sword.] 

 expansa. Hall & Whitfield, 1875, Ohio 



Pal., vol. 2, Clinton Gr. [Sig. spread 



out.] 

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



Clinton Gr. [Sig. spread out.] 

 multipora, Hall, 1851, Geo. Lake Sup. 



Land. List., vol. 2, Trenton Gr. [Sig. 



having many pores.] 

 Phyllopora, King, 1849, Ann. Nat. Hist., 



2d ser., vol. 3. [Ety. phyllon, a, leai ; 



poms, a pore.] 

 ehrenbergi, Geinitz, 1846, (Gorgonia 



ehrenbergi) Grundriss, Permian Gr. 



[Ety. proper name.] 

 PoLYPOEA, McCoy, 1845, Carb. Foss. Ireland. 



['Ety. polys, many; poros, a pore.] 

 biarmica, (?) Keyserling, 184S, Russia 



and the Ural Mts., Geinitz referred a 



form from the Coal Meas. to this 



species, and Prout referred a form 



from the Chester Gr. to it. [Sig. 



strong-jointed.] 

 elegans. Hall, 1874, 26th Reg. Rep., Low. 



Held. Gr. [Sig. elegant.] 

 gracilis, Prout, 1860, Trans. St. Louis 



Acad. Sci., Keokuk Gr. [Sig. slender.] 

 halliana. Prout, 1860, Trans. St. Louis 



Acad. Sci., St. Louis Gr. [Ety. proper 



name.] 

 hamiltonensis, Prout, 1866, Geo. Sur. 111., ^ 



vol. 2, Ham. Gr. [Ety. proper name.] 

 imbricata, Prout, 1866, Trans. St. Louis !>-- 



Acad. Sci., Devonian. [Sig. imbri- 

 cated.] 

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



Niagara Gr. [Sig. incipient.] 

 intermedia, Prout, 1858, Trans. St. Louis ^^ 



Acad. Sci., Up. Held. Gr. [Sig. inter- 

 mediate.] 

 lilia. Hall, 1874, 26th Reg. Rep., Low. 



Held. Gr. [Ety. proper name.] 

 mexicana, Prout, 1858, Trans. St. Louis 



Acad. Sci., Permian Gr. [Ety. proper 



name.] 

 (?) psyche, Billings, 1874, Pal. Foss., _^ 



vol. 2, Devonian. [Ety. mythological 



name.] 

 pulohella, Nicholson, 1874, Geo. Mag. ^ 



Lond., n. s., vol. 1, Corniferous Gr. 



[Sig. beautiful.] 

 rigida, Prout, 1866, Trans. St. Louis Acad. ^ 



Sci., Ham. Gr. [Sig. rigid.] 

 shumardi, Prout, 1858, Trans. St. Louis 



Acad. Sci., Up. Held. Gr. [Ety. proper 



name.] 

 stragula, White, 1874, Rep. Invert. Foss., 



Carb. [Sig. outward covering or gar- 

 ment.] 

 submarginata. Meek, 1872, Pal. E. Neb., 



Coal Meas. [Sig. somewhat like P. 



marginata.} This species was referred 



iDy Geinitz to P. marginata of McCoy, 

 tenella, Nicholson, 1874, Geo. Mag. Lond. \^ 



n. s., vol. 1, Corniferous Gr. [Sig. 



delicate.] 



