ALPHABETICAL INDEX. 
[Nofr?. The numbers of pages on which merely incidental references occur 
7 • s/;* / / are printed in italics.] 
l/<yyy e 3/ ^ ^ r 
^V/W 3 / 
Acanthias, 31. 
bicarinatus, 458. 
icVc *-> ^^.v^latidens, 31. 
\leA*SL s, vjnonspeliensis, 457. 
Cf^h. radicans, 31. 
serratus, 32 . 
vulgaris, 32. 
Acanthidium, 33. 
Acanthobatis, 89. 
eximius, 89. 
tuberculosus, 89. 
‘‘Acipensertuberculosus,” 
89. 
Acrodobatis, 348. 
obliquus, 348. 
serra, 348. 
Acrodus, 279. 
acutus, 280, 282. 
affinis, 298. 
althausii, 248. 
angustus, Munster, 283. 
angustus, Griebel 298. 
anningiae, 267, 289, 
292. 
arietis, 283. 
braunii, 279, 280. 
cretaceus, 334. 
elegans, 320. 
emmonsi, 298. 
falcifer, 333. 
falsus, 460. 
flemingianus, 298. 
flexuosus, 299. 
gaiHardoti, 279, 299. 
gastaldi, 299. 
.gibberulus, 283. 
^hirudo, 296. 
vfS. 
humilis, 298. 
illingworthi, 297. 
immarginatus, 299. 
Acrodus ( cont .). 
keuperinus, 281. 
larva, 35. 
lateralis, 280, 299, 
latus, 283. 
leiodus, 295. 
leiopleurus, 295. 
levis, 296. 
microdus, 299. 
minimus, 255 , 282. 
nitidus, 297. 
nobilis, 283, 287, 289. 
ornatus, 296. 
' r personati, 299. 
polydictyos, 336. 
pulvinatus, 299. 
punctatus, 281. 
pustulosus, 281. 
rugosus, Agassiz, 335. 
rugosus, Schmicl, sp., 
299. 
semirugosus, 298. 
simplex, 299. 
spitzbergensis, 299, 
substriatus, 299. 
triangularis, 152. 
undulatus, 289. 
virgatus, 299. 
Actinobatis, 85. 
ornata, 88. 
Aellopos, 77, 157. 
elongatus, 78. 
wagneri, 168. 
Aetobatis, 127. 
arcuatus, 130. 
brevisulcus, 130. 
convexus, 130. 
eximius, 131. 
giganteus, 130. 
irregularis, 128, 130. 
/ 3 - 
Aetobatis {cont.). 
marginalia, 129. 
meneghinii, 131. 
omaliusi, 131. 
omaliusi, var. curth- 
dens, 131. 
omaliusi, var. latidens, 
131. 
perspicuus, 131. 
profundus, 131. 
rectus, 128. 
subarcuatus, 130, 
subconvexus, 130. 
sulcatus, 131. 
tardiveli, 131. 
Aganodus, 2, 3, 
apicalis, 10. 
undatus, 10. C g-OSS/?6 vh’-v*. 
Agassisodus, 238 . f 
corrugatus, 239. /&«*****, n< 
scitulus, 239. ^ f ** 
variabilis, 238, -239. 
virginianus, 239. 2-ir s f r 
Ageleodus, 55. 
diadema, 55. 
Alexandrinum, 153. 
molinii, 153. , 37-57 
Alopecias, 375. — 
acuarius, 375.^-^ocTpiAjex,, ^>QO. 
gigas, 375, 383. y , 3 j 6 . 
Alopiopsis7437. S 7 6 - 
ciwieri, 43fT~ 
plejodon, 437. 
Amblypristis, 75. 
cheops, 75. 
Amphicentrum, 459. 
Anacanthus, 153. 
zigni, 153. 
Ancistrodon, 429. 
