64 



POLYPI. 



minimus, Hall, 1874, 26tli Reg. Rep., Low. 



Held. Gr. [Sig. smallest.] 

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



Niagara Gr. [Et^. proper name.] 

 niagarensis, var. spinigerus, Hall, 1876, 



28th Reg. Rep., Niagara Gr. [Sig. 



spiny.] 

 nitellus, Winchell, 1866, Rep. Low. Pen. 



Mich., Ham. Gr. [Sig. delicate, 



smooth.] 

 obliquus, Rominger, 1876, Foss. Corals, 



Niagara Gr. [Sig. oblique.] 

 paroMticm, Hall, 18.52, (Astrocerium par- 



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



Gr. [Sig. parasitic] This name was 



preoccupied by Phillips in his Geol. 



of Yorkshire, 

 placenta, Rominger, 1876, Foss. Corals, 



Ham. Gr. [Sig. a cake.] 

 pleurodictyloides, Nicholson, 1875, Ohio 



Pal., vol. 2, Corniferous Gr. [Sig. 



resembling Plmrodiciyum.} 

 polymorphus, Goldfuss, 1826, Germ. 



Petrel., Corniferous Gr. [Sig. having 



many-forms.] 

 prolificus, Billings, 1865, Can. Nat. & 



Geol., 2d series, vol. 2, Mid. SiL [Sig. 



abundant.] 

 pyriformis, Hall, 1852, (Astrocerium pyri- 



forme) Pal. N. Y., vol. 2, Niagara Gr. 



[Sig. pear-shaped.] 

 radiatus, Rominger, 1876, Foss. Corals, 



Ham. Gr. [Sig. radiated.] 

 radiciformis, Rominger, 1876, Foss. Corals, 



Devonian. [Sig. root-like.] 

 reticulatus, DeBlainville, 1830, (Alveolites 



reticulata) Diet., vol. 60, Niagara Gr. 



[Sig. reticulated.] 

 spongilla, Rominger, 1876, Foss. Corals, 



Niagara Gr. [Sig. a little sponge.] 

 striatus. Say, 1818, Am. Jour. Sci., vol. 1, 



Niagara Gr. [Sig. striated.] 

 tuberosus, Rominger, 1876, Foss. Corals, 



Corniferous Gr. [Sig. composed of 



tubes.] 

 turbinatus, Billings, 1859, Can. Jour., vol. 



4, Corniferous Gr. [Sig. top-shaped.] 

 venustus. Hall, 1852, (Astrocerium venus- 



tum) Pal. N. Y., vol. 2, Niagara Gr. 



[Sig. elegant.] 

 whitfieldi. White, 1874, Rep. Invert. Foss., 



Low. Carb. [Ety. proper name.] 

 winchelli, Rominger, 1862, (Calamopora 



winchelli) Am. Jour. Sci., vol. 34, 2d 



ser., Devonian. [Ety. proper name.] 

 Filicitei gracilis, Shumard, see Plumalina 



gracilis. 

 FisTULiPOEA, McCoy, 1849, Ann. & Mag. 



Nat. Hist., 2d ser., vol. 3. [Ety. fistula, 



a pipe ; pora, a pore.] 

 acervulosa, Rominger, 1866, Proc. Acad. 



Nat. Sci., Ham. Gr. [Sig. many clus- 

 tered together.] 

 canadensis, Billings, 1859, Can. Nat. & 



Geo., vol. 4, Devonian. [Ety. proper 



name.] 



compressa, Rominger, 1866, Proc. Acad. 

 Nat. Sci., Keokuk Gr. [Sig. com- 

 pressed.] 



crassa, Rominger, 1866, Proc. Acad. Nat. 

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



elegans, Rominger, 1866, Proc. Acad. Nat. 

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



eriensis, Rominger, 1866, Proc. Acad. Nat. 

 Sci., Ham. Gr. [Ety. proper name.] 



flabellum, Rominger, 1866, Proc. Acad. 

 Nat. Sci., Warsaw Gr. [Sig. fan-like.] 



halli, Rominger, 1866, Proc. Acad. Nat. 

 Sci., Niagara Gr. [Ety. proper name.] 



hflios, Rominger, 1866, Proc. Acad. Nat. 

 Sci., Corniferous Gr. [Sig. the sun.] 



labiosa, Winchell, 1866, Rep. Low. Pen. 

 Mich., Ham. Gr. [Sig. full-lipped.] 



lunata, Rominger, 1866, Proc. Acad. Nat. 

 Sci., Up. Held. Gr. [Sig. crescent- 

 shaped.] 



minuta, Rominger, 1866, Proc. Acad. Nat. 

 Sci., Ham. Gr. [Sig. very small.] 



neglecta, Rominger, 1866, Proc. Acad. Nat. 

 Sci., Niagara Gr. [Sig. overlooked.] 



nodulifera, Meek, 1872, Pal. E. Neb., Coal 

 Meas. [Sig. bearing knots.] 



occidens, Hall, 1873, 23'd Reg. Rep., Che- 

 mung Gr. [Sig. western.] 



peculiaris, Rominger, 1866, Proc. Acad. 

 Nat. Sci., Keokuk Gr. [Sig. peculiar.] 



saffordi, Winchell, 1866, Rep. Low. Pen. 

 Mich., Ham. Gr. [Ety. proper name.] 



spergenensis, Rominger, 1866, Proc. Acad. 

 Nat. Sci., Warsaw Gr. [Ety. proper 

 name.] 



spinulifera, Rominger, 1866, Proc. Acad. 

 Nat. Sci., Ham. Gr. [Sig. spine- 

 bearing.] 



stellifera, Rominger, 1866, Proc. Acad. 

 Nat. Sci., Ham. Gr. [Sig. star-bearing.] 



sulcata, Rominger, 1866, Proc. Acad. Nat. 

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



trifolia, Rominger, 1866, Proc. Acad. Nat. 

 Sci., Keokuk Gr. [Sig. three-leaved.] 



utriculus, Rominger, 1866, Proc. Acad. Nat. 

 Sci., Ham. Gr. [Sig. a little bag.] 

 Ghssograptus, Emmons, (Glossograpsus) 1856, 

 Am. Geol., pt. 2. Prof. Hall uses the 

 termination graptus, instead of grapsus, 

 because the latter termination is used 

 in the nomenclature of Crustacea. This 

 genus is a synonym for Diplograptus. 



L-Hiatus, Emmons, 1856, Am. Geol. This 

 name will be found preoccupied by 

 Emmons, under the genua Diplograptiis. 



setai'eus, Emmons, 1866, Am. Geol. See 

 Diplograptus setaceus. 

 Graptoi.ithus, Linnjeus, 1736, Syst. Naturaj. 

 [Ety. grapho, to write; lithos, stone.] 



abnormis, Hall, 1858, Rep. of Progr. Can. 

 Sur., Quebec Gr. [Sig. abnormal.] 



alatus,Hall, 1858, Rep. of Progr. Can. Sur., 

 Quebec Gr. [Sig. winged.] 



amplexicavle, see Diplograptus amplexi- 

 caulis. 



angustifolius, see Diplograptus angusti- 

 folius. 



