RING) A S. 
[Figures in heavy-faced type indicate pages on which descriptions are given. ] 
A. 
Acanthaspis, 35-37. 
armatus, 36, 37, 292. 
Acanthodes, 155. 
pristis, 60. 
Acantholepis, 33-35. 
pustulosus, $4, 292. 
Acondylacanthus, 208. 
occidentalis, 206-208, 280. 
Actinophorus, 174-177. 
Clarkii, 175, 176, 323. 
ZEtobatis narinari, 224 (note). 
Agassiz, Alexander, fish remains furnished by, 153. 
Agassiz, L., cited, 97, 98, 101, 102, 109, 110, 113, 114, 178, 179, 
180, 184, 195, 199, 217. 
Antliodus, 185. 
arcuatus, 208, 2O9, 268. 
cucullus, 209. - 
Apedodus, 108. 
Archzobatis, 184. 
gigas. 19}, 274, 276. 
Aspidichthys, 26, 59, 72-74. 
clavatus, 73, 74, 305. 
Aspidorhynchus, 100. 
Asteroptychius elegans, 176, 177, 280. 
St. Ludovici, 176. 
Asterosteus, 44, 45. 
stenocephalus, 44, 290. 
Atthey, Hancock and, cited, 227. 
B. 
Barkas, T. P., cited, 227. 
Buirrande describes spine of Machwracanthus under name 
of Ctenacanthus Bohemicus, 29. 
Beecher, C. E., fish remains collected by, 60, 85, 89, 90, 98, 100 
102, 103. : 
Bothriolepis, 4O8-112. 
Leidyi, 109, A014, 01, £66, 270. 
minor, 4&2, 270. 
Bradley, ¥. H., collection of fish remains by, 61. 
Buckland, teeth of Chimera Townsendii described by, 49. 
Butters, Alexander, fish remaingtollected by, 200, 215, 218, 
223. 
Cc. 
Callognathus, 69-71. 
regula is, 60, 70, 284. 
serratus, 70, 71, 284. 
bo 
bo 
MON X<Vvi————— 
Callorhynchus, 46. 
Carboniferous limestone, fishes of the, 181. 
Carboniferous rocks, mode of formation of, 77, 78. 
Carboniferous system, fishes of, 75-227. 
Carcharodon megalodon, 80. 
Carr, J. C., fish remains collected by, 213. 
Catskill group, fishes of the, 106-120. 
Candagalli grit yields only one fossil (Spirophyton, a sea- 
weed), 26. 
Cephalaspidz, 33-37. 
| Chamberlin, T. C., fish remains furnished by, 47, 51. 
Characodus, 199. 
marginatus, 199. 
Cheirolepis, 63. 
Chemung group, fishes of the, 82-105. 
Chimera, 46. 
Townsendii of Buckland, perhaps generically identical 
with Rhynchodus frangens, 49. 
Chomatodus, 31, 184. 
Chondrosteida, 41-45, 
Cladodus, 174, 185. 
carinatus, 103. 
concinnus, 4170, 272. 
Fyleri, 322, 328. . 
Kepleri, 103, 104, 318, 320. 
Pattersoni, 171. 
Romingeri, 177, 178, 284. 
Terrelli, 170-172, 284. 
tumidus, £7, 284. 
Clark, William, fish remains collected by, 122, 124, 125, 134, 
135, 136, 147, 151, 168, 169, 173, 175, 181, 196, 197. 
Clarke, J, M., described Dinicthys Newberryi, 60. 
fish remains named by, 61. 
cited, 153. 
Clay pole, E. W., cited, 19, 20. 
described remains of fish now called Holonema, 93. 
acknowledgments to, 94. 
Cleveland shale, nature and extent of, 123. 
fishes of, 126-181. 
list of fishes of, 130, 
Coal Measures, fishes of the, 210-228, 
Coccosteus, 132, 137, 141, 142, 143, 145, 155, 
decipiens, 290. 
occidentalis, 52, 43, 290. 
Cochliodus, 184. 
Ceelacanthus elegans, 213, 
ornatus, 227. 
robustus, 228. 
337 
