274 



POLYPI. 



Zaphrextis cannonensis, Winchell, is from 

 the Choteau or Kinderhook Gr. 



casssedayi, Milne-Edwards, 1860, Hist, 

 d. Corallaires, t. 3, Warsaw Gr. 

 [Ety. proper name ] 



centralis, Edwards & Haime, 1851, Mon. 

 d. Pol. Foss. cl. Terr. Pal., Carbon- 

 iferous. [Sig. central.] 



cliffordana, Edwards & Haime, 1>51, 

 Mon. d. Pol. Foss. d. Terr. Pal., Car- 

 boniferous. [Ety. proper name.] 



colletti, Hall, 1882, Foss. Corals. Niagara 

 and Up. Held. Gr., Corniferous lime- 

 stone. [Ety. proper name.] 



complanata, Hall, 1882, Foss. Corals, 

 Niagara and Up. Held. Gr., Cornifer- 

 ous limestone. [Sig. made even.] 



compressa, Milne-Edwards, 1860, Hist, 

 d. Corallaires, t. 3, Warsaw Gr. [Sig. 

 compressed.] 



concava, Hall. 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Corniferous 

 limestone. [Sig. concave.] 



constricta, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Corniferous 

 limestone. [Sig. constricted.] 



contorta, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., < orniferous 

 limestone. [Sig. contorted.] 



convoluta, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Corniferous 

 limestone. [Sig. convoluted.] 



cornalba, Davis (In press), Foss. Corals 

 of Ky., in vol. 1, Pal. Ky. St. Geo. 

 Sur.. Up. Devonian. [Sig. white 

 horn.] 



cornicula, Lesueur, 1820, Mem. du 

 Museum, vol. 1, instead of cornicu- 

 lum, Edwards & Haime. 



corrugata, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Schoharie 

 Grit. [Sig. corrugated.] 



cristulata, Hall, 1882. Foss. Corals, Ni- 

 agara and Up. Held. Gr., Niagara Gr. 

 [Sig. small crested.] 



curvata, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Corniferous 

 limestone. [Sig. curved.] 



cyathiformis, Hall, 1882, Foss. Corals, 

 Niagara and Up. Held. Gr., Cornifer- 

 ous Gr. [Sig. cup-shaped.] 



dalei, Edwards & Haime, 1851, Mon. d. 

 Pol. Foss. d. Terr. Pal., Subcarbon- 

 iferous. [Ety. proper name.] 



denticulata, d'Eichwald, 1857. Probably 

 not American. 



desori, Edwards & Haime, 1851, Mon. 

 d. Pol. Foss. de Terr. Pal., Low. 

 Held. Gr. [Ety. proper name.] 



duplicata, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Corniferous 

 limestone. [Sig. duplicated.] 



elegans, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Cornifer- 

 ous limestone. [Sig. elegant.] 



elliptica, Davis (In press), Foss. Corals 

 ofKy.,in vol. 1, Pal. Ky. St. Geo. 



Sur., Low. Devonian.. [Sig. ellip- 

 tical.] 

 Zaphrextis excentrica, Meek, 1872, Hay- 

 den's U. S. Geo. Sur. Terr., Coal 

 Meas. [Sig. excentric] 



exigua, var. elongata, Davis (In press), 

 Foss Corals of Ky., in vol. 1, Pal. 

 Ky., St. Geo. Sur., Low. Devonian. 

 [Sig. lengthened.] 



exilis. Davis (In press), Foss. Corals of 

 Ky., in vol. 1, Pal. Ky. St. Geo. Sur., 

 Mid. Devonian. [Sig. thin, fragile.] 



explanata, Davis (In press), Foss. Corals 

 of Ky., in vol. 1, Pal. Ky. St. Geo. 

 Sur., Up Devonian. [Sig. spread 

 out.] 



fastigata, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Cornifer- 

 ous limestone. [Sig. pointed.] 



foliata. Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Cornifer- 

 ous limestone. [Sig. leafy.] 



frequentata, Hall, 1882, Foss. Corals, 

 Niagara and Up. Held. Gr., Cornifer- 

 ous limestone. [Sig. frequent. j 



fusiformis, Hall, 1882, Foss. Corals, 

 Niagara and Up. Held. Gr., Cor- 

 niferous limestone. [Sig. fusiform.] 



gallicalcar, Davis (In press), Foss. 

 Corals of Ky., in vol. 1. Pal Ky. St. 

 Geo. Sur., Up. Devonian. [Sig. 

 cock's spur.] 



genitiva, Billings, 1875, Can. Nat. and 

 Quar. Jour., vol. 7, Corniferous Gr. 

 [Sig. original.] 



gigantea, Lesueur, 1820, Mem. du 

 Museum, vol. 6, instead of Kafinesque. 



glans refer to Hadrophyllunrglans. 



gravis, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Cornifer- 

 ous limestone. [Sig. ponderous.] 



halli, Edwards & Haime, Mon. d. Pol. 

 foss. d. Terr. Pal., Ham. Gr. [Ety. 

 proper name.] 



haysi, Meek, 1865, Am. Jour. Sci. & 

 Arts, 2d ser., vol. 40, Low. Held. Gr. 

 [Ety. proper name.] 



herzeri, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Cornifer- 

 ous limestone. [Ety. proper name.] 



immanis, Davis (In press), Foss. Corals 

 of Ky., in vol. 1, Pal Ky. St. Geo. 

 Sur., Mid. Devonian. [Sig. im- 

 mense.] 



insequalis, Hall, 1882, Foss. Corals, 

 Niagara and Up. Held. Gr., Cor- 

 niferous limestone. [Sig. unequal.] 



inclinata, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Cornifer- 

 ous limestone. [Sig. inclined.] 



irregularis, Hall, 1882, Foss. Corals, 

 Niagara and Up. Held. Gr., Cor- 

 niferous limestone. [Sig. irregular.] 



knappi, Hall, 1882, Foss. Corals, Ni- 

 agara and Up. Held. Gr., Cornifer- 

 ous limestone. [Ety. proper name.] 



latisinus, Hall, 1882, Foss. Corals, Ni- 



