BRYOZOA. 



101 



Semicoscinium, Prout, 1859, Trans. St. Louis 

 Acad. Sci. [Sig. somewhat like fossils 

 of the genus Coscinium.] 

 eriense, Prout, I860, 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.] 

 Septopora, Prout, 1859, Trans. St. Louis 



Acad. Sci. [Ety. septum, partition or 



division ; para, a pore.] 

 cestriensis, Prout, 1850, Trans. St. Louis 



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



name.] 

 Stictopoka, 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, Clin- 

 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.] 

 glomerate, 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 



a Lichen.'] 

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



vol. 2, Clinton Gr. [Sig. great, large.] 

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



Niagara Gr. [Sig. punctus, 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.] 

 serrate, Meek, 1875, Pal. Ohio, vol. 2, 



Coal Meas. [Sig. serrated.] 

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



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

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

 ara Gr. [Sig. similar.] 

 sulcata, Winchell, 1866, Rep. Low. Penin. 



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; Mados, a young branch.] 



biserialis, Swallow, 1858, Trans. St. Louis 

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

 allusion to the two rows of cellules ] 

 T^niopora, Nicholson, 1874, Geo. Ma<" 

 Lond., n. s., vol. 1. [Ety. tainia, a rif> 

 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.] 

 Thamniscus, King, 1849, Perm. Foss. [Ety. 

 thamniskos, a little shrub.] 

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

 Niagara Gr. [Ety. proper name.] 

 Trematopora, 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 R<?g 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.] 

 fragilis, 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.] 

 minute, 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.] 

 solida, 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.] 



