INDEX. 
Q cf 'Tc^c -£,. ? . 
o 
c e *1 *JLc 4 Cf- 6'§ > - 
466 
Gryphodobatis, 156. 
uncus, 156. 
Gyropleurodus, 331. 
Hannovera, 429. 
aurata, 430. 
Harpacodus, 49. 
corapactus, 53. 
clavatus, 225. 
dentatus, 51. 
occidentalis, 53, 
Heliobatis, 153. 
radians, 154. 
Helodopsis, 227. 
abbreviata, 227. 
elongata, 227. 
Helodus, 108, 171, 176, 
210, 218. 
acutus, 221. 
angulatus, 220. 
angustus, 227. 
antiquissimus, 226. 
appendiculatus, 224, 
240 . 
aversus, 226. 
biformis, 226. 
brugnonei, 229. 
carbonarius, 226. 
cinctus, 218. 
clavatus, 221. 
compressus, 29, 226. 
coniculus, 226. 
consolidatus, 226. 
contractus, 227. 
crassus, 219. 
crenulatus, 226. 
(?) curvatus, 201. 
dens-humani, 226. 
dentatus, 184. 
, denticulatus, 226. 
c(*fw**' 1 7' 'didymus, 177, 179, 214, 
223. 
elytra, 226. 
expansus, 219. 
gibberulus, 219. 
gibbosus, 238. 
gibbus, 226. 
laevis, 226. 
lasvissimus, 177, 179, 
181, 218, 222. 
limax, 227. 
longiconus, 25. 
mammillaris, 181, 224. 
mons-canus, 227. 
(Cochliodus) nobilis, 
208. 
placenta, 184. 
planus, 177, 179. 
; i 
gf- 
6- 'KfiA-'-t 
<2 ' 
Helodus ( cont .). 
politus, 227. 
pusillus, 227. 
ricbmondiensis, 221. 
rudis, 177, 179. 
rugosus, 227.*'■"*-} 3 
simplex, 171, 218 ., 
subteres, 231 ‘ 
sulcatus, 221. 
tenuis, 221. 
triangularis, 221. 
turgidus, 218. 
undulatus, 227. 
Hemicladodus, 460. 
unicuspidatus, 460. 
Hemipristis, 448. ^ 
bidens, 451. ^ 
curvatus, 451. 
heteropleurus, 451. 
klunzingeri, 451. 
minutus, 449. 
paucidens, 449. 
plicatilis, 451. i 
serra, 449. O' 
subserratus, 451. 
Heptranchias, 157. 
Heterodontus, 331. .t**? 
Hexanchus, 157. 
“Homacantbus” triangu¬ 
laris, 25. 
Homalodus, 99. 
quadratus, 105. 
trapeziformis, 105. 
Hoplodus, 64. 
Hybocladodus, 29. 
compressus, 29. 
intermedius, 29. 
nitidus, 29. 
plicatilis, 30. 
tenuicostatus, 30. 
HybODONTID^E, 229. 
Hybodopsis, 239. 
wardi, 240. 
Hybodus, 272, 250. 
*acantbopborus, 305. 
*acutus, 302. 
aduncus, 252. 
*angulatus, 305. 
angustus, 251, 277. 
apicalis, 251, 254. 
*apicalis, 301, 302. 
appendiculatus, 343. 
attenuatus, 277. 
austiensis, 256. 
basanus, 273. 
bimarginatus, 277. 
bronnii, 331. 
carbonarius, 245. ^ 
V ? biBW-vV-i 
Hybodus (cont.). 
carinatus, 294. 
cloacinus, 256, 277. 
*complanatus, 305. 
*crassispinus, 259, 300, 
301. 
crassus, Fricke, 272. 
*crassuS, Agassiz, 301. 
cristatus, 277. 
*curtus, 289. 
cuspidatus, 251, 253. 
davisi, 243. 
delabecbei, 259, 262. 
*dewalquei, 305. 
*dimidiatus, 300. 
diprion, 460. 
dispar, 331. 
*dorsalis, 302, 303. 
dubius, 255. 
dubrisiensis, 327. 
*eichwaldi, 305. 
-O^ensatus, 305. 
*fittoni, 306. JL'f&frsi 77 1 
formosus, 266.4 
*furcatostriatus, 306. 
gracilis, 331. 
grossiconus, 268, 270. 
*bexagonus, 306. 
homopryon, 259, 264. 
inflatus, 277. 
irregularis, 244. 
jugosus, 268. 
keuperianus, 277. 
keuperinus, 281. 
*lseviusculus, 306. 
lawsoni, 255. ZefaZ-vre*-, 306. 
*leptodus, 306. ^ 
levis, 269. 
longiconus, 250, 253. 
*major, .300. 
makrothi, 277. 
*marginalis, 302. 
>^medius, 262, 264. 
minor, 254. 
minutus, 348. 
monoprion, 270. 
mougeoti, 251, 252, 
253. 
non-striatus, 277. 
obliquus, 251, 252, 280. 
obtusus, 272. 
ortboconus, 277. 
*panderi, 306. 
personati, 278. 
*pleiodus, 306. 
plicafilis, 250, 252, 
253. 
polycyphus, 251, 253. 
* Dorsal fin-spines only. 
