INDEX 



JOO 



Crania grandegrevensis, 107. 

 pulchella, 45, 212, 248. 

 explanation of plate. 346. 

 Craniclla ? grandegrevensis, 45, 65, 66, 212, 



24Q. 



explanation of plates, 294, 347. 

 Cryphaeus, 132. 

 Cryptonella sp.. 85, 234, 246. 



ellsi, 46, 163, 246. 



explanation of plate, 302. 



fausta, 46, 164, 246. 



explanation of plate, 302. 

 Ctenacanthus, 84, 243. 

 Cumberland, Md., 165, 168, 169, 173, 174, 



182, 183, 191. 

 Cyclora turbinata, 90. 



valvatiformis, 90. 

 Cypricardinia crassa, 158. 



distincta, 44, 157-58, 246. 

 explanation of plate, 300-1. 



planulata, 7,7,, 34, 35, 108, 246. 



sublamellosa, 61, 158. 

 Cypricardites truncatvis, 232. 

 Cyrtia rostrata, 183. 

 Cyrtina affinis, 183. 



hamiltonensis, 85, 236, 247. 



rostrata, 46, 65, 66, 183, 247. 

 explanation of plate, 314. 



varia, 183. 

 Cyrtoceras, 43. 



sp., 142, 244. 



albani, 34, 35, 105, 244. 

 explanation of plate, 278. 



subrectum, 105. 

 C3'rtodonta, 83. 



flexuosa, 26, 2,3- 



lata, 26, 33. 



orbicularis, 26. 

 Cytherodon sp., 89. 



Dalhousie, 38, 104, no, 113, 243, 250. 

 Dalmanella sp. cf. concinna, 34. 

 explanation of palte, 340. 



Dalmanella, cf. discus, 33, 36, 112, 248. 

 lucia, 45, 204-5, 248. 



explanation of plate, 340. 

 penouili, 85, 242, 248 



explanation of plate, 338. 

 if. perelegans, 61, 205. 

 subcarinata, 33, 34, 36, 112, 248. 



explanation of plate, 340. 

 testudinaria, 60, 61. 

 Dalmania micrurus, 120. 



pleuroptyx, 120. 

 Dalmanites, 83 ; of early Devonic, observa- 

 tions on, 131-35; figures, 133-34. 

 sp.. 89. 

 anchiops, 34, 121, 122, 125, 127, 128, 129. 



134- 



var. armatus, 134. 

 (Probolium) beyrichi, 133. 

 (Probolium) biardi, 54, 94, 129-30, 133, 

 244. 



explanation of plate, 264. 

 bisignatus, 123, 125. 

 coxius, S3' 35' 103-4, 243- 



explanation of plate, 266. 

 dentatus, 123, 125, 134. 

 diurus, 127. 

 dolbeli, 40, 41, 43, 117, 121-22, 125, 134, 



243- 



explanation of plate, 268. 

 dolphi, 123, 134. 

 emarginatus, 43, 127-28, 243. 



explanation of plate, 266. 

 (Probolium) esnoufi, 40, 130-31, 133, 

 244. 



explanation of plate, 270. 

 galea, 128. 



(Probolium) galloisi, 133. 

 gaveyi, 43, 128-29, ^33' 243- 



explanation of plate, 268. 

 griflfoni, 34, 35, 103, 119, 128, 133, 



2 43- 

 explanation of plates, 266, 270. 

 hausmanni, 121. 



