64 



POLYPI. 



multilamella, Hall, 1852, Stans. Ex. to 

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

 lamellae.] 



multilamellafa, Nicholson, 1875, Ohio Pal., 

 vol. 2, Corniferous Gr. Preoccupied 

 above. 



nodulosa, Eominger, 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. covered with little 

 wrinkles.] 



simplex, Hall, 1843. (Strombodes simplex) 

 Geo. Kep., 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. Palgeoz., 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.] 



OOBRIQBlsrDA. 



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



um, an arm.] 

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



tonense. 

 Receptaculites infundibulus, page 44, read, R. 



infundibulum. 

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



vada. [Sig. creeping over stone.] 

 Axophyllum rudls, page 47, read, A. rude. 

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



to bend.] 

 Chonophyllum, page 48, read, [Sig. chonos, a 



funnel.] 

 Chonograptus, page 48, read, Clonograptus. 



[Ety. klon, a twig.] 

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

 enoides. 

 Cyathophyllum juvenis, page 50, read, C. 



juvene. 



Cyathophyllum maritima, 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. 

 Dictyonema, quadrangtdark, page 51, read, 



D. quadr angular e. 

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



forme. 

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

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



dulatum. 

 Favosites plmrodictyloides, page 54, read, F. 



pleurodictyoides. 

 Halysites catenulatus. page 56, read, [Ety. 



catenula, a little chain.] 

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



