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.] 

 Septopora, Prout, 1859, Trans. St. Louis 



Acad. Sci. [Ety. septum, partition or 



division ; pora, a pore.] 

 cestriensis, Prout, 1850, Trans. St. Ix)uis 



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, 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.] 

 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. fSig. 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.] 

 serrata, 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. 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; klados, 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. Mag. 

 Lond., n. s., vol. 1. [Ety. taiula, 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.] 

 TiiAMNiscus, 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 Rog 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, dose.] 



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.] 



gi-anulifera. 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 (ir. [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.] 



