WRITINGS OF C. A. WHITE AND 11. P. WHITFIELD. 117 



Page. 



Macrodon, Lycett 298 



M. parvus, n. s., "White <fc Whitfield, 1862 299 



Conocardium, Bronn 299 



C. pulcellum, n. b., White & Whitfield, 1862 299 



Cypricardia? rigida, u. s., White & Whitfield, 1862 300 



Cypricardella, Hall 300 



O. quadrala. n. s., White & Whitfield, 1862 300-301 



Edmondia. Koninck 301 



E. burlingtonensis, n. s., White & Whitfield, 1862 301 



Gasteropoda. 



Euomphalus, Sowerby 301 



E.ammon, n. s.. White & Whitfield, 1862 301 



Platyceras, Conrad 302 



P.parahum, n. s., White & Whitfield, 1862 302 



P. bivalve, n. s., White & Whitfield, 1862 302 



Pleurotomaria, Defiance 302 



P. mississippiensis, n. s.. White &. Whitfield, 1862 302 



Murchisonia, D'Archiac 303 



M-.f. prolixa, n. a.. White & Whitfield, 1862. 303 



Porcellia, L6vem6 303 



P. crassinoda, n. s.. White & Whitfield, 1862 303 



Belleropfion, Montfort 304 



B. vinculatus, n. s.. White & Whitfield, 1862 804 



B. perelegans, n. s.. White <fc Whitfield, 1862 304 



B.bilabiatus, n. a., White & Whitfield, 1862 304-305 



Cephalopoda. 



Goniatites, De Haan 305 



<?. opimus, n. 8., White & Whitfield, 1862 305 



Radiata-. 



Lophophyllurri; Edwards & Haime 305 



L.calceola, n. s.. White & Whitfield, 1862 305-306 



Zaphrentis, Ttaflnesque 306 



Z. acutus, n. 8., White & Whitfield, 1862 306 



Favosites, Lam ^ • 306 



F.—[Whitfieldi] 306 



3. 



White, C. A. Observations on the Summit Structure of Pentremites, the Structure 



and Arrangement of certain Parts of Crinoids, and Descriptions of New Species 



from the Carboniferous Rocks of Burlington, Iowa. < Boston Jour. Nat. Hist. 



(Boston Soc. Nat. Hist.), vol. vii, pp. 481-506. Boston, 1863. 



Same. Boston, 1863. 8vo, pp. 581-506. Fifty separates printed without title-page, 



covers, or repaging. 



The summit structure of Pentremites norwoodi, P. stelb'formis, P. lineatus, and P. elongatus 



is noticed. Instances of the recuperative power of Crinoids are also ijiven. The genua 



Caeliocrinus is proposed, and five species of Crinoids are described. 



Some observations on certain modifications of the structure of the probosces of Actinoerinus are 



given, p. 489-491. 



^ ' ^ Page. 



CaJiomnw«*,n.g., White, 1863 499-501 



(7. *«6«inno.ws, n. a., White, 1863 501-502 



Platycrinus, MiUer 502 



P. verrucosus,!!, s.. White, 1863 502-503 



P. incomptus,Ti. s., White, 1863 503-504 



Cyathocrinus, Miller 504 



G. lamellosus,n. s.. White, 1863 504-505 



Scaphiocrinus, Hall 505 



S. rustieellus,n. s.. White, 1863 505-506 



* KoiAin, venter; KpCvov, lilinm. 



