BRYOZOA. 



101 



Semicoscinium, Prout, 1859, Trans. St. Louis 



Acad. Sci. [Sig, somewhat like fossils 



of the genus Cosdnium.} 

 eriense, Prout, 1860, Trans. St. Louis 



Acad. Sci., Devonian. [Ety. proper 



name.] 

 rhomboideum, Prout, 1859, Trans. St. 



Louis Acad. Sci., Up. Held. Gr. [Sig. 



rhomboidal.] 

 tuberculatum, Prout, 1860, Trans. St. 



Louis Acad. Sci., Up. Held. Gr. [Sig. 



tuberculated.] 

 Septopoea, Prout, 1859, Trans. St. Louis 



Acad. Sci. [Ety. septum, partition or 



division; pora, a pore.] 

 cestriensis, Prout, 1850, Trans. St. Louis 



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



name.] 

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



[Ety. stictos, spotted or punctured ; 



poros, a pore.] 

 acuta. Hall, 1847, Pal. N. Y., vol. 1, Tren- 

 ton Gr. [Sig. sharp.] 

 carbonaria. Meek, 1871, Proc. Acad. Nat. 



Sci. Phil., Coal Meas. [Sig. from the 



Coal Measures.] 

 crassa. Hall, 1852, Pal. N. Y., vol. 2, CHn- 



ton Gr, [Sig. thick.] 

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



Trenton Gr. [Sig. quite elegant.] 

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



1, Chazy Gr. [Sig. open, having 



windows.] 

 gilberti. Meek, 1871, Proc. Acad. Nat. Sci. 



Phil., Corniferous Gr. [Ety. proper 



name.] 

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



Chazy Gr. [Sig. confused, out of 



order.] 

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



1, Birdseye Gr. [Sig. intricate.] 

 lichenoides. Meek, 1873, Pal. Ohio, vol. 



1, Corniferous Gr. [Sig. resembling 



magna. Hail & Whitfield, 1875, Pal. Ohio, 

 vol. 2, CUnton Gr. [Sig. great,' large.] 



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

 Niagara Gr. [Sig. punctm, a puncture ; 

 pora, a pore.] 



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

 Birdseye Gr. [Sig. branching.] 



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

 Clinton Gr. [Sig. cells distant.] 



serrata," Meek, 1875, Pal. Ohio, vol. 2, 

 Coal Meas. [Sig. serrated.] 



shafiferi. Meek, 1872, Proc. Acad. Nat. Sci. 

 Phil., Cin'ti Gr. [Ety. proper name.] 



similis. Hall, 1876, 28th Eeg. Rep., Niag- 

 ara Gr. [Sig. similar.] 



sulcata, Winchell, 1866, Rep. Low. Renin. 

 Mich., Ham. Gr. [Sig. furrowed.] 



variabilis, Prout, 1866, Trans. St. Louis 

 Acad. Sci., Up. Sil. [Sig. variable, 

 not always the same.] 

 Synocladia, King, 1849, Trans. Geol. Soc. 

 Lond., 2d Ser., vol. 3. [Ety. syn. to- 

 gether ; Uados, a young branch.] 



biserialis. Swallow, 1858, Trans. St. Louis 

 Acad. Sci., Up. Coal Meas. [Sig. in 

 allusion to the two rows of cellules.] 

 Tjsniopora, Nicholson, 1874, Geo. Mag. 

 Lond., n. s., vol. 1. [Et)'. tainia, a rib- 

 bon; poros, a pore.] 



exigua, Nicholson, 1874, Geo. Mag. Lond., 

 n. s., vol. 1, Ham. Gr. [Sig. little, 

 small.] 



penniformis, Nicholson, 1874, Geo. Mag. 

 Lond. n. s., vol. 1, Ham. Gr. [Sig. 

 resembling a feather.] 

 Thaimniscos, King, 184!?, Perm. Foss. [Ety. 

 thamniskos, a little shrub.] 



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

 Niagara Gr. [Ety. proper name.] 

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

 [Ety. trema, a hole ; poros, a pore.] 



aspera, Hall, 1852, Pal. N. Y., vol. 2, Ni- 

 agara Gr. [Sig. rough.] 



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

 Niagara Gr. [Sig. uniting together.] 



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

 Low. Held. Gr. [Sig. constricted.] 



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

 Low. Held. Gr. [Sig. like thick bark.] 



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

 Held. Gr. [Sig. thick, close.] 



dichotoma. Hall, 1852, (Diamesopora 

 dichotoma) Pal. N. Y., vol. 2. Niagara 

 Gr. [Sig. dividing into two.] 



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

 agara Gr. [Sig. set with spines.] 



fragihs, Winchell, 1863, Proc. Acad. Nat. 

 Sci., Chemung Gr. [Sig. frail.] 



granulifera, Hall, 1852, Pal. N. Y., vol. 

 2, Niagara Gr. [Sig. bearing granules.] 

 The same species is marked " n. sp." 

 in 28th Reg. Rep., probably by mis- 

 take. 



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

 Niagara Gr. [Sig. not frequent.] 



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

 Low. Held. Gr. [Sig. spotted.] 



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

 agara Gr. [Sig. very small.] 



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

 agara Gr. [Sig. pretty mouth.] 



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

 Niagara Gr. [Sig. having small open- 

 ings.] 



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

 Low. Held. Gr. [Sig. heavy.] 



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

 Niagara Gr. [Sig. dotted.] 



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

 Low. Held. Gr. [Sig. in allusion to 

 the regular arrangement of the cells.] 



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

 Low. Held. Gr. [Sig. rhomb-bearing.] 



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

 Low. Held. Gr. [Sig. marked.] 



golida. Hall, 1852, Pal. N. Y., vol. 2, Ni- 

 agara Gr. [Sig. solid.] 



sparsa. Hall, 1852, Pal. N. Y., vol. 2, Ni- 

 agara Gr. [Sig. scattered.] 



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

 Niagara Gr. [Sig. full of little spines.] 



