GENERAL INDEX 499 



Cliothyridina glenparkensis n. sp 473, LXXVIII 



C. hirsuta (Hall) 479, LXXX 



C. incrassata (Hall) 477, LXXIX 



C. lenticularis n. sp 480, LXXX 



C. obmaxima (McChesney) 475, LXXIX 



C. parvirostris (Meek and Worthen) 481, LXXVIII, LXXX 



C. prouti (Swallow) 474, LXXIX 



C. sublamellosa (Hall) 482, LXXX 



C. tenuilineata (Rowley) 478, LXXX 



Cliothyris crassicardinalis 471 



C. hirsuta 479 



C. roysii 479, 483 



Clore formation 29 



Composita, Brown 484 



Composita ? corpulenta (Winchell) 495, LXXVII 



C. globosa n. sp 493, LXXXII 



C. laevis n. sp 491, LXXXII 



C. lewisensis n. sp 488, LXXXI 



C. opposita (White and Whitfield) 494, LXXXII 



C. pentagonia n. sp , 492, LXXXII 



C. subquadrata (Hall) 489, LXXXI 



C. sulcata n. sp 490, LXXXI 



C. trinuclea (Hall) 486, LXXXI 



Cranaena, Hall and Clarke 248 



Cranaena ? allei (Winchell) 252, XXXIV 



C- globosa n. sp 249, XXXIV 



C. sulcata n. sp 251, XXXIV 



Crania, Retzius 43 



C. blairi Miller 46, I 



C. chesterensis Miller and Gurley 45, I 



C. dodgei Rowley 44, I 



C laevis Keyes 47, I 



C missouriensis Weller 43, I 



C. reposita White 44, I 



C. rowleyi Gurley 46, I 



C. spiculata Rowley 47, I 



Craniidae 43 



Cryptonella ? sp. indet 283 



Cyrtia, Dalman 382 



Cyrtia acutirostris 286 



C. inexpectans n. sp 383, LXIII 



Cyrtina, Davidson 286 



C. acutirostris (Shumard) 286, XXXV 



C. burlingtonensis Rowley 288, XXXV 



C neogenes Hall and Clarke 289, XXXV 



C. sp. f : 289 



D 



Delthyris, Dalman 300 



Delthyris clarksvillensis (Winchell) 301, XXXVI 



D. missouriensis Weller 302, XXXVI 



D. novamexicana (Miller) 304, XXXVI 



D. similis n. sp 305, XXXVI 



D. suborbicularis Weller 303, XXXVI 



Derbya ( f ) costatula 57 



D. kaskaskiensis 77 



D. Tceokuk 75 



D. ruginosa .. 71 



Diaphragmus, Girty 135 



Diaphragmus elegans (Norwood and Pratten) 136, XII 



Dielasma, King 256 



