1 
Notidanus (cont.) 
problematicus, 167 
recurxus, 163. 
repens, 167. 
serratissimus, 162. 
serratus, 159. 
stoppani, 167. 
targionii, 162, 167, 
theyenardi, 1 C ompressus,*237. 
urcianensis, 168. - 
Ochlodus, 2, 3. 
crassus, 10. 
Odontaspis, 360.u^ • 
acuta, 360, 374. 
acutissima, 374. *££374 
aclunca, ^>7^— 
angusta, 374. 
attenuata, 374. 
bronni, 360. 
carinata, 374. 
complanata, 372 
constricta, 356. 
contortidens, 366. 
erassidens, 373. 
^cuspidata, 368. 
desorii, 359. 
dubia, 368. 
duplex, 374. 
elegans, 361, 366. 
_exigua, 374. 
{jftAAJte gracilis, 359. 
7 ' --gustroxiensis, 374. 
bopei, 360, 368, 360, 
. jncurra, 372. 
/kaikoraensis, 356. ...M 
INDEX. 
CCU^//UA^f. 11 '*9- 
Orodoxtid.e, 229. 
Orodus, 230. 
alleni, 236. 
angustus, 233. 
carinatus, 236. 
catenatus, 234. 
cinctus, 230. 
colletti, 236. 
j. , 237. 
corrugatus, 239. J 2r^ £> * 
dtedaleus, 237. 
decussatus, 237. 
elegans, 237. 
469 
elegant-ulus, 235. 
elongatus, 224, 233. 
excentricus, 237. 
fastigiatus, 237. 
(?) gibbus, 236. 
inequilaterus, 237. 
235. 
minusculus, 237. 
minutus, 237. 
moniliformis, 234. 
(?) multicarinatus, 
237. 
neglectus, 237. 
ornatus, Newb. Worth. 
233. 
ornatus, Davis, 234. 
(?) parallelus, 237. 
parvulus, 237. 
plicatus, 237. 
porosus, 237. 
ramosus, 231, 237. 
r j, / reedi, 237 
sculptus, 238. 
minutissima, 375. 
mirabilis, 374. 
molassica, 374. 
mourloni, 375. 
oxyprion, 356. 
pygmaea, 374. 
regularis, 375. 
reticulata, 375. 
rhapkiodon, 354, 356, 
358, 358. 
rigida, 375. 
rockebrunei, 398. 
rutoti, 361. 
sackeri, 449. - 
''studeri. 359. ^ ^ gy5- 
subidata, 356. 
sulcata, 330. t'*?'*^* Orthacodus, 349. 
van-den-broecki, 375 
verticalis, 375. y yr' 
vorax, 373. ^ 1 
Oncobatis, 90. 
pentagonus, 90. 
tenuis, 236. 
triadeus, 299. &/£, < obliquus, 404. 
tuberculatus, 234 
tumidus, 238. 
turgidus, 238. 
rariabilis, 238. 
variocostatus, 238 
wkitei, 238. 
Orthacanthus, 2 
arcuatus, 8. 
bokemicus, 9. 
cylindricus, 8. 
deckeni, 3. 
Oithcdon, 344. 
condamyi, 344. 
Oithoplenrodus, 185. 
carbonarius, 188. 
convexus, 190. 
noro-mexicanus, 190. 
Ostinaspis, 246. 
acuta, 247. 
barbotana, 246. 
coronata, 247. 
simpkcissima, 247. 
Otodus, 392. 
a dune us, 407. 
apiculatus, 387. 
appendiculatus, 393, 
398. 
basalis, Giebel, 393. 
basalis, Egerton, 407. 
brandti, 407. 
catticus, 407. - 
crassus, 398, 400. 
(Pseudotriakis) debilis, 
40 /. 
dixarieatus, 398. 
dixergens, 401^ - A^^ 
kastalis,’ 407. ~ ^ ' ’ 
isoscelicus, 408. 
lanCeolat-us, 402, 404. . 
latus, 393, 397. 
lawleyi, 408. 
lexis, 408.^ 
macrotus, 362, 402. 
margin atus, 408. 
marroti, 408. 
mickoni, 398. 
minor, 408. 
minutissimus, 375. 
minutus, 408. 
mitis, 408. 
nanus, 408. 
gv C> 
f 
0-08. 
gracilis, 9 ^ 0i/ „ eV .; eh ^\ g salentinus, 409. 
levidens. 14. t? semiplicatus, 397 
levidens, 14. * * semiplicatus, 81 
quadnseriatus,_9<f s V' (Pseudotriakis) 
impressus, 350. 
> £ longidens, 349. 
— nitidus, 350. 
titkonius, 350. 
oxyrliinoides, 377 
parvus, 375. 
pinguis, 398. 
prsedator, 410. 
pseud o-appendicula 
tus, 408. 
recticonus, 409. 
renardi, 409. 
rudis, 409. 
rupeliensis, 409. 
rutoti, 361. 
pov Iqv* , 394~- 
tinus, 409. 
serratus, 360, 401. 
spatkula, 409. 
striatus, 409. 
subbasalis, 380. 
subplicat-us, 409. 
sero- 
