d4 



POLYPI. 



multilamella, Hall, 1852, Stans. Ex. to 

 Gt. Salt Lake, Coal Meas. [Sig. many 

 lamellae.] 



multilamellata, Nicholson, 1875, Ohio Pal., 

 vol. 2, Corniferous Gr. Preoccupied 

 above. 



nodulosa, Rominger, 1876, Foss. Corals, 

 Corniferous Gr. [Sig. full of knots.] 



patens, Billings, 1865, Can. Nat. & Geo., 

 2d ser., vol. 2, Mid. Sil. [Sig. spread- 

 ing.] 



prolifica, Billings, 1859, Can. Nat. & Geo., 

 vol. 4, Corniferous Gr. [Sig. prolific] 



recta, Meek, 1868, Trans. Chi. Acad. Sci., 

 Devonian. [Sig. straight.] 



rugatula, Billings, 1874, Pal. Foss., vol. 2, 

 Up. Sil. [Sig. (Jovered with little 

 wrinkles.] 



simplex. Hall, 1843, (Strombodes simplex) 

 Geo. Rep., 4th Dist. N. Y., Ham. Gr. 

 [Sig. simple.] 



solida. Hall, 1873, 23d Reg. Rep., Che- 

 mung Gr. [Sig. solid.] 



spatiosa, see Heterophrentis spatiosa. 



spinulifera, Hall, 1858, Geo. Sur. Iowa, 



Warsaw Gr. [Sig. bearing little 



spines.] 

 spinulosa, Edwards & Haime, 1851, Pol. 



Foss. Terr. Palseoz., Low. Carb. [Sig. 



covered with spines.] 

 stansburyi, Hall, 1852, Stans. Ex. to Gt. 



Salt Lake, Coal Meas. [Ety. proper 



name.] 

 stokesi, Edwards & Haime, 1851,, Pol. 



Foss. Terr. Palseoz., Niagara Gr. [Ety. 



proper name.] 

 subrecta, Billings, 1875, Can. Nat. & Geo., 



Corniferous Gr. [Sig. somewhat like 



Z. recta.'] 

 traversensis, Winchell, 1866, Rep. Low. 



Penin. Mich., Ham. Gr. [Ety. proper 



name.] 



turbinata. Hall, 1852, (Polydilasma turbi- 



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



[Sig. top-shaped.] 

 umbonata, Rominger, 1876, Foss. Corals, 



Ham. Gr. [Sig. protuberant.] 

 ungula, Rominger, 1876, Foss. Corals, 



Up. Held. Gr. [Sig. a talon.] 

 wortheni, Nicholson, 1875, Ohio Pal., vol. 



2, Corniferous Gr. [Ety. proper name.] 



OOI2/E.IC3-EITID^ 



Brachiospongia, page 42, read, [Ety. brachi- 



um, an arm.] 

 Onemidium trentonensis, page 43, read, C. tren- 



kmense. 

 Receptaculites infundibulus, page 44, read, R. 



infundibulum. 

 Aidopora saxivadum, page 47, read, A. saxi- 



vada. [Sig. creeping over stone.] 

 Axophyllum rudis, page 47, read, A. r-ude. 

 Campophyllum, page 48, read, [Ety. kampto, 



to bend.] 

 Chanophyllum, page 48, read, [Sig. cJumos, a 



funnel.] 

 Chonograptus, page 48, read, Clonograptus. 



[Ety. klon, a twig.] 

 Cladopora Uchenoidea, page 49, read, C. lich- 

 enoides. 

 Cyathophyllum juvenis, page 50, read, C. 



juvene, 



Oyathaphyllum maritiina, page 51, read, C. 



maritimum. 

 Dictyonema fenestrata, page 51, read, D. fenes- 



tratum. 

 Dictyonema gracilis, page 51, read, D. gracile. 

 Dictyonema grandis, page 51, read, D. grande. 

 Dictyonema irregularis, page 51, read, D. 



irregulare. 

 Dictyo7}£ma, quadrangidaris, page 51, read, 



D. quadrangulare. 

 Dictyonema retiformis, page 51, read, D. reti- 



forme. 

 Dictyonema robusta, page 51, read, D. robtistum. 

 Dictyostroma undulata, page 52, read, D. un- 



dulatum. 

 Favodtes pleurodictyloides, page 54, read, F. 



pleurodictyoides. 

 Halysites catenvlatus, page 56, read, [Ety. 



catenula, a little chain.] 

 Leptopora typa, page 56, read, L, typiis. 



