374 



M:\V YORK STAIK MUSKLM 



Crania aurora, ',\-2')\ 



inilchflla, 290^ 

 Crinoid se^ients, 2S9^ 30G\ 308^ 



310'. 

 Crumpling in Ixjrraine time. 122'. 

 Cryphaeus Ixiotlii rar. callitcU'-;. '.i'M". 

 Cryptonella (Eunella) lincklaeni, 



214S 265^ 2G5'', 330'; figures. 210. 

 Cuesta, 337\ 

 Cashing, cited, riS'-*. 

 Cyathophylluni hydraulieuni, 317". 



robustuni. 195', 328-. 

 Cycloceras ? thoas, 190', 327^; figures, 



188. 

 CyckuRMiia (loris, ;j2G'. 

 Cyphaspis coelebs, 324^. 



minuseula, 327^ 

 Cypricardolla bollistriatus. 27.r. 3:?2^ 



coniplanata. 330". 



gregaria, 273°, 330^ 332«. 



tenuistriata. 220", 262-. 265', 330'; 

 figures, 218. 

 Cypricardinia concentrica, 320". 



crassa, 322*. 



laniellosa, 285^ 



planulata, 295", 326". 

 Cyrtina biplicata, 326^, 



dalmani, 310^ 32P. 



hamiltonensis, 272*, 295^ 326^ 328', 

 330% 



rostrata, 305«. 

 Cyrtocoras sp., 294», 307", 318*. 



aeniuluni, 327'. 



alternatum, 329". 



citum, 328". 



(Rhizoceras) eugenium, 190', 200", 

 295", 327^ 328"; figures, 188. 



jason, 327*, 328". 



nioisum, 327'. 

 Cyrtolites expansus, 299", 325'-. 



(Cyrtonella) mitella, 206-, 33 P. 



pileolus, 2G5^ 33 T, 332". 

 Cyrtonella mitella, 26G-, 331'. 

 pileolus. 265\ 331', 332''. 

 Cythcriiia alta, 290^ 



Dale, cited, 310'-'. 



Dalmanella perelegans, see Orthis 

 (Dalinaiiclla ) perelegans. 



Dj'linanclla planoconvt'xa. 2.S0^, 2818. 

 289', 29G\29(i\ 305\ 

 subcarinata, sec Orthis (Dalma- 

 nella) subcarinata. 

 ventricosa, 305'. 

 Ualmanites sp., 250", 318^ 



(Synpliuria) amliiops. 295", 299*, 

 327\ 

 rar. arniatus, 191", 327*; figure, 



192. 

 car. sobrinus, 327*. 

 (Coronura) aspectans, 294*. 

 calypso, 204", 329-; figure, 205. 

 (Coronura) diurus, 329\ 

 (Coronura ?) macrops, 329". 

 micrurus, 300", 309", 310*, 32 1-, 323'. 

 (Coronura) myrmecophorus, 3Z9". 

 nasutus, 152", 300", ,323*; figures, 



152. 

 pleuroptyx, 152', 285^ 2S9\ 297-, 

 305", 307", 307"', 30S'. 31 0\. .?2r. 

 323^; figures, 151. 

 (Corycephalus) regalis. 327\ 

 (Odontoeephalus) selenuru-. 2()4\ 



298', 329'; figures, 205. 

 stemmatus, 305". 

 tridens, 323*. 

 Dann's hill, 79^. 

 Darton, N. H., cited, 83", 2S4-. 294", 



302*, 3-13*, 314^, 3 16-, 325^ 

 Davis, cited, 316-, 340', 344'. 

 Decewville beds, 176', 176", l!)i . 227% 



23 r, 325"; fauna, 228". 

 Decewville time, 228". 

 Dclthyris perlamellosa, 320". 'M\''. 

 Delthyris shaly limestone. l."}!)': 



upper, 153\ 

 Devonic, dividing line between Siluri.- 

 and, 133"; lower, 133^-79'; middle 

 and upper, 180--235". 

 Diaphorostoma aplatum, 326'. 

 depressum, 322". 

 desmatum, 299", 305*. 

 lineatuni, 199*, 328" : . ligures 201. 

 lurhiiintuiu, 328^ 

 unisulcat uni. .■]28^ 

 ventric-osum, 168', 299". 305'', 325'; 

 figures, 166. 

 Dicranogmus j)tyonuius. 318. 



