PEOTISTA. 



43 



Calatiiium, Billings, 1865, Pal. Poss., vol. 1. 



[Ety. htlnthos, a small wicker basket.] 



affine, Billings, 1865, Pal. Poss., vol. 1, 



Quebec Gr. [Sig. contiguous.] 

 anstedi, Billings, 1865, Pal. Poss., vol. 1, 



Queljec Gr. [Ety. proper name.] 

 canadense, Billings, 1865, Pal. Poss., vol. 



1, Chazy Cir. [Ety. proper name.] 

 fittoni, Billings, 1865, Pal. Poss., vol. 1, 



Quebec Gr. [Ety. proper name.] 

 formosum, Billings, 1865, Pal. Poss., vol. 



1, Quebec Gr. [Sig. beautiful.] 

 pannosum, Billings, 1865, Pal. Poss., vol. 



1, Quebec Gr. [Sig. ragged.] 

 paradoxicum, Billings, 1865, Pal. Poss., 

 vol. 1, Calcif. Gr. [Sig. puzzling, ques- 

 tionable.] 

 Cnbmidium, Goldfuss, 1826, Petref. Germ. 

 [Ety. knemidos, armor for the legs, a 

 sort of boot.] 

 trentonensis, Worthen, 1875, Geo. Sur. 

 111., vol. 6, Trenton Gr. [Ety. proper 

 name.] 

 CoNOPTERiuM, Winchell, 1865, Proc. Acad. 

 Nat. Sci. [Ety. konos, a cone; poterion, 

 a cup.] 

 effusum, Winchell, 1865, Proc. Acad. Nat. 

 Sci., Lithographic limestone. , [Sig. 

 spread abroad.] 

 Cosdnopora mkata, see Eeceptaculites oweni. 

 Dentalina, D'Orbigny, 1826, Ann. Sci. Nat., 

 vol. 7. [Ety. dentate, tooth; iitm, re- 

 semblance.] 

 priscilla, Dawson, 1868, Acad.Geol., Garb. 

 [Ety. proper name.] 

 EospONGiA, Billings, 1861, Pal. Poss., vol. 1. 

 [Etv. eos, dawn ; spongia, sponge.] 

 roemeri, Bilhngs, 1861, Pal. Poss., vol. 1, 



Chazy Gr. [Ety. proper name.] 

 varians, Billings, 1861, Pal. Poss., vol. 1, 

 Chazy Gr. [Ety. mriam, variable.] 

 EozooN, Dawson, 1865, Can. Nat. & Geo., 

 2d series, vol. 2. [Ety. eos, dawn; -uon, 



animal.] /-, xr ^ 



canadense, Dawson, 1865, Can. Nat. & 

 Geo., 2d series, vol. 2, Laurentian Gr. 

 [Ety. proper name.] 

 FusuLiNA, Pischer, 1837, Oryct. du Gouv. de 

 Moscou. [Ety. /«st(s, a, spmdle ; mm, 

 little.] , „ 



cylindrica, Pischer, 1837, Oryct. du Gouv. 

 de Moscou., Coal Meas. [Sig. cyhn- 

 drical.] 



cylindrica rar. ventricosa,Meek & Hayden, 

 1859, Proc. Acad. Nat. Sci., vol. 10, 

 Coal Meas. [Sig. ventricose.] 



elongata, Shumard, 1858, Trans. St. Louis 

 Acad. Sci., Permian Gr. [Sig. elong- 

 ated.] ^ , J, ,-, ,., 



gracilis. Meek, 1864, Pal. of California, 

 vol l,pt. 4, Coal Meas. [Sig. slender.] 



robusta. Meek, 1864, Pal. California, vol. 

 1, Coal Meas. [Sig- robust. ] 



ventricosa, Jleek & Hayden 1864, Pal. 

 Upper Mo., Coal Meas. See P. cylin- 

 drica var. ventricosa.] 

 Ischadites t^selatus, Winchell & Marcy, Syn. 

 for Eeceptaculites infundibulus. 



Laiiulilex, (?) dacliolol.des, see Eeceptaculites 



dactioloides. 

 NuLLipOKA, Lamarck, 1801, Systeme des 

 Animaux sans Vertebres. [Ety. nul- 

 liix. no ; porus, pore.] 

 (?) obtexta, White, 1862, Proc. Bost. Soc. 

 Nat. Plist., vol. 9, Burlington Gr. [Sig. 

 woven over.] 

 OrhiiidikH, (?) ix'ticalaiu, see Eeceptaculites 



reticulatus. 

 Paljea(.'is, Haime, 1860, Hist. Nat. des Ooral- 

 liaires. [Ety. palaios, ancient ; akU, a 

 barb.] 

 compressus, Meek & Worthen, 1866, 

 (Sphenopoterium compressum) Proc. 

 Acad. Nat. Sci. Phil., Keokuk Gr. 

 [Sig. flattened.] 

 cuneatus. Meek & Worthen, 1860, 

 [Sphenopoterium cuneatum) Proc. 

 Acad. Nat. Sci. Phil., St. Louis Gr. 

 [Sig. wedge-shaped.] 

 enormis. Meek & Worthen, 1866, (Sphe- 

 nopoterium enorme) Geo. Sur. 111., 

 vol. 2, Kinderhook Gr. [Sig. very 

 large.] 

 enormis var. depressus, Meek & Worthen, 

 1866, (Sphenopoterium enorme var. 

 depressum) Geo. Sur. 111., vol. 2, Kin- 

 derhook Gr. [Sig. depressed.] 

 obtusus. Meek & Worthen, 1860, (Sphe- 

 nopoterium obtusum) Proc. Acad. 

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

 PAi..no.>rANON, Eoenier, 1860, Sil. Pauna. 

 West Tenn. [Ety. palaios, ancient; 

 Manon, a recent genus of sponges.] 

 cratera, Eoemer, 1848, (Siphonia cratera) 

 Leonh. und Bronn's Jahrb., Up. Sil. 

 [Sig. a cup or goblet.] 

 P.vstEOT.us, Billings, 1857,' Eep. of Progr. 

 [Ety. pasceolKs, a leather money bag.] 

 claudii, S. A. Miller, 1874, Cin. Quar. 

 Jour. Sci., Cin.Gr. [Ety. proper name.] 

 darwini, S. A. Jliller, 1874, Cin. Quar. 

 Jour. Sci., Cin. Gr. [Ety. proper 

 name.] 

 globosus, Billings, 1857, Eep. of Progr., 



Trenton Gr. [Sig. globular.] 

 gregarius, Billings, 1866, Oatal. Sil. Poss., 

 Antic, Anticosti Gr. [Sig. found in 

 flocks.] 

 halU, Billings, 1857, Eep. of Progr., Anti- 

 costi Gr. [Ety. proper name.] 

 intermedins, Billings, 1866, Catal. Sil. 

 Poss. Antic, Anticosti Gr. [Sig. inter- 

 mediate.] 

 Eeceptaculites, DePrance, 1827, Diet. Sci. 

 Nat. vol. 45. [Ety. receptaculum, a re- 

 ceptacle; litlwx, stone.] 

 calciferus, Billings, 1865, Pal. Poss., vol. 

 1, Calcif. Gr. [Ety. from the Calci- 

 ferous Group.] 

 canadensis, Bilhngs, 1863, (Ischadites 

 canadensis) Geo. of Canada, Anticosti 

 Gr. [Ety. proper name.] 

 dactioloides, Owen, 1840, (Lunulites dac- 

 tioloides) Eep. on Min. Lands. Up. Sil. 

 [Ety. from the thimble-like punctures. 

 The correct orthography is dactyloides.'] 



