41 



POLYPI. 



Acervularia, Schweigger, 1820, Handb. der 

 Naturg. [Ety. acervus, a heap, con- 

 sidered as a body.] 

 clintonensis, Nicholson, 1875, Ohio Pal., 

 vol. 2, Clinton Gr. [Ety. proper name.] 

 davidsoni, Edwards & Haime, 1851, Mono- 

 graph, Corniferous & Ham. Gr. [Ety. 

 proper name.] 

 inequalis, Hall, 1873, 23rd Reg. Rep. Che- 

 mung Gr. [Sig. unequal.] 

 profunda, Hall, 1858, Geo. of Iowa, Cor- 

 niferous and Ham. Gr. [Sig. deep.] 

 rugosa, Hall, 1843, (Astrea rugosa) Geo. 

 Rep. 4th Dist. N. Y., Onondaga Gr. 

 [Sig. wrinkled.] Is this Cyathophyl- 

 lum rugosum? 

 Acrophyllum, Thomson & Nicholson, 1870, 

 Ann. Mag. Nat. Hist,, 4th series, vol. 

 17. *[Ety. akros, the point or summit ; 

 phylhn, a leaf.] 

 oneidaense, Billings, (CI i s i o p h y 1 1 u m 

 oneidaense) Can. Jour. Corniferous 

 Gr. [Ety. proper name.] 

 Agaricia, Lamarck, 1801, Syst. des Anim. 

 sans. Yert. 

 swinderniana, see Thecia swinderniana. 

 Alveolites, Lamarck, 1801, Syst. des An. 

 sans. Vert. [Ety. alreus, a cavity; 

 litho.% stone.] 

 billings'i, Nicholson, 1874, Geo. Mag. N. 

 S., vol. 1, Corniferous Gr. [Ety. proper 

 name.] 

 confertus, Nicholson, 1874, Geo. Mag. N. 

 S., vol. 1, Cornif. Gr. [Sig. thick or 

 crammed in close together.] 

 cryptodens, Billings, 1859, Can. Jour., 

 vol. 4, Up. Held. Gr. [Sig. hidden- 

 toothed.] 

 distans, Nicholson, 1874, Geo. Mag. N. S., 

 vol. 1, Cornif. Gr. [Ety. in allusion to 

 the distance between the calices.] 

 dubia, see Favosites dubius. 

 exsul, Hall, 1876, 28th Reg. Rep. Niagara 



Gr. [Sig. a wanderer.] 

 flsheri, Billings, 1859, Can. Jour. Up 



Held. Gr. [Ety. proper name.] 

 frondosus, Nicholson. 1874, Geo. Mag. N, 

 S., vol. 1, Ham. Gr. [Sig. full of 

 branches.] 

 goldfussi, Billings, 1859, Can. Jour. Ham. 



Gr. [Ety. proper name.] 

 granulosus, James, 1875, Catal. Cin. Foss., 

 Cincinnati Gr. [Sig. full of granules.] 

 labechi, Edwards & Haime, 1851, Pal. 

 Foss. des Terr., Palseoz., Anticosti Gr. 

 [Ety. proper name.] 

 labiosus, Billings, 1859, Can. Jour., Corni- 

 ferous Gr. [Sig. large-lipped.] 

 megastoma, Winchell, 186(5, Rep. Low. 

 Peninsula, Mich., Ham. Gr. [Sig. 

 large-mouthed ; from the large oblique 

 cell mouths.] 

 niagarensis, Rominger, 1876, Foss. 

 Corals, Niagara Gr. [Ety. proper 

 name.] 

 ramulosus, Nicholson, 1874, Geo. Mag. 

 Corniferous Gr. [Sig. full of little 

 sprigs.] 



repens, Fought, 1749, (Millepora repens) 



Amam. Acad., vol. 1, Niagara Gr. [Sig. 



creeping.] 

 reticulata, see Favosites reticulatus. 

 rockfordensis, Hall, 1873, Chemung Gr., 



26th Reg. Rep. [Ety. proper name.] 

 roemeri, Billings, 1859, Can. Jour., Ham. 



Gr. [Ety. proper name.] 

 selwyni, Nicholson, 1874, Geo. Mag. N. S., 



vol. 1, Corniferous Gr. [Ety. proper 



name.] 

 squamosus, Billings, 1859, Can. Jour., 



Corniferous Gr. [Sig. scaly, rough.] 

 strigillatus, "Winchell, 1866, Rep. Low. 



Peninsula, Midi., Ham. Gr. [Sig. 



wide-furrowed.] 

 subramosus, Rominger, 1876, Foss. 



Corals, Ham. Gr. [Sig. somewhat 



ramose.] 

 vallorum, Meek, 1868, Trans. Chi. Acad. 



Sci., Devonian. [Sig. intrenched.] 

 Amplexus, Sowerby, 1812, Mineral Conch- 



ology, vol. 1. [Ety. amplexus, encir- 

 cling, surrounding.] 

 cingulatus, Billings, 1862, Pal. Foss., vol. 



1, Mid. Sil. [Sig. banded, from the 



sharp-edged rings of growth.] 

 coralloides, Sowerby, 1812, Min. Conch., 



vol. 1, Warsaw Gr. [Sig. like a coral.] 

 exilis, Billings, 1875. Can. Nat. & Geol. 



Corniferous Gr. [Sig. small.] 

 fragilis, White & St. John, 1868, Trans. 



Chi. Acad. Sci., Keokuk Gr. [Sig. 



frail.] 

 mirabilis. Billings, 1875. Can. Nat. & Geol., 



Coal Meas. [Sig. wonderful.] 

 shumardi, M. Edwards, 1851, (Cyathoph- 



yllum shumardi) Mon. des Polyp. 



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

 yandelli, Edwards & Haime, 1851, Pal. 



Foss. des Ter. Paheoz., Devonian. 



[Ety. proper name.] 

 zaphrentiformis, White, 1876, Geo. Uinta 



Mountains, Low. Aubrey Gr. [Sig. 



in form like the genus Zaphrentis.] 

 Anthophylmtm, Schweigger, 1820, Handb. 



der Naturg. [Ety. anthos, a flower; 



phylhn, a leaf.] 

 denticulatum, Goldfuss, 1826, Petref. 



Germ., Niagara Gr. [Sig. denticu- 

 lated.] 

 expansum, Owen, 1840, Rep. on Mineral 



Lands, Devonian. [Sig. spread out,] 

 Astrsca, Lamarck, 1815, Histoire Naturelle 



des Animaux sans Yertebres. 

 gigas, see Phillipsastrea gigas. 

 heliautholdes, as identified by D'Archiac 



& Verneuil, see Heliophyllum Halli. 

 mammillarix, Fischer as identified by 



Castlenau, Syn. for Lithostrotion 



canadense. 

 mammillark, see Phillipsastrea mammil- 



laris. 

 rugomt, see Acervularia rugosa. 

 \mdaia, Troost. 1840, 5th Geo. Rep. Tenn,, 



Low. Carb. Not satisfactorily defined. 



