472 
INDEX. 
Psammodus {coni.). 
bretmionsis, 459. 
calatiiH, 107. 
caiialiculiitua, 100. 
ooniutiis, 91. 
crnssideiiH, 107. 
expiin.su8, 105. 
gl^vptua, 107. 
grandis, 107. 
inflexUB, 107. 
loviaiuLS, lOS. 
orbionlaris, lOS. 
plomiB, 108. 
poroBUB, 100, 107. 
rctioidatus, 108 . 
(?) rliomboidpus, 188. 
rugoaiiB, loo, 707. 
Balopionsis, 105, 7<¥7. 
seinicylindricu.", 188. 
epccularis, 107. 
springeri, 108. 
trapcxiforiidi*, 105. 
tumidus, 10.8. 
turgidus, 108. 
Fsephodus, 170, 176. 
crenul.atus, 184. 
duntatUB, 184. 
dfipreflaus, 185. 
dubius, 18.'1. 
indiaiiR, 184. 
liuvisHiiiiuB, 181. 
latus, 18-1. 
liinulatuB, 185. 
magnus, 177, SS6. 
niiiior, 184. 
obliquus, 184. 
placenta, 184. 
regulariB, 184. 
(?) rotioulaluH, 18.5. 
saloiiionBU, 182, 183. 
eitnjilox, 185. 
Bynimctricua, 185. 
Pternodus, Owe?i, 23. 
Pternodus, Garman, 27. 
prodiictiiB, 10. 
Bpritigori, 27. 
Ptychacanthus, 13i, 
214. 
faujasil, 124. 
sublffiTiB, 245. 
Ptychodus, 75, 132. 
altior, i;«, 756. 
concentricus, 459. 
dociirrcnB, 132, 133, 
138, W. 
depresBiiH, 1.38. 
janevaii, 151. 
latisBimuB, 139, l,'/3, 
147. 
inaininillariB, 133. 
niarginaliB, 459. 
Ptychodus (ront.). 
inortoni, 149. 
muUiBtriatiia, 146. 
“ na.Bocnt ” teeth of, 
1.50. 
oocidctitalis, 161. 
oweni, 138. 
piipillosus, 152. 
paucisnlcatUB, 147. 
polygyruB, 139, 143, 
U8. 
riigoBUB, 136. 
Bchlotheiini, 147. 
sidcatus, 459. 
triaiigulari», 152. 
trigeri, 136. 
wliipplcyi, 152. 
Ptychopleurus, 124. 
I'aujaBii, 124. 
Raja, 85. 
agaBsizii, 88. 
anliqiia, 87. 
npplanata, 88. 
batis, 89. 
bicornuta, 88. 
boruBsica, 88. 
cavernosa, 88. 
clavata, 87. 
conioa, 88. 
dux, 458. 
evaouata, 88. 
expanaa, 85. 
gratidiB, 88. 
(?) helvetica, 88. 
lobata, 88. 
mammillariB, 88. 
ndnor, 85. 
molaBBlca, 88. 
nuiricata, 153. 
ornata, 88. 
pliilippi, 88. 
priinarinata, 85. 
pulohra, 88. 
rliombidons, 88. 
rugOBa, 88. 
Bimilia, 86, and PI. IV. 
spiralis, 89. 
strangulata, 89. 
Buboxyrhyncluis, 89. 
torpedo, 90. 
Baju).e, 84. 
Rbamphodus, 226. 
dispar, 226. 
Rhina, 65. 
Kuinobatida!, 77. 
Rhinobatus, 77. 
bugcsiacus, 78. 
ex|)ansus, 85. 
grandis, 80. 
intermedius, 82. 
Rhinobatus [cont.). 
latus, 82. 
maronita, 80. 
martensii, 83. 
morinieiis, 80. 
obtusatus, 82. 
prinuevus, 82. 
teniurostris, 8 1 . 
Rhinognathus, 351. 
lewiKii, 351. 
Rhinoptera, 125. 
daviesii, 126. 
dubiuB, 127. 
etuileri, 127. 
woodwardi, 127. 
Rhombodus, 152. 
binkhorsti, 1.52. 
Rhymodus, 91. 
oonvoxUB, 99. 
oblongus, 96. 
transversus, 97. 
Sandalodus, 185. 
anguslUB, 187. 
carbonariuB, 188. 
eomplanatUB, 189. 
convoxuB, 190. 
crassus, 190. 
grandis, 188. 
SeviBBimus, 188. 
minor, 187. 
tuorrisii, 185. 
novo-mexicanus, 190. 
parvulus, 190, 217. 
robuatiia, 190. 
BpatidatUB, 190. 
tonerrimuB, 190. 
vetuBtuB, 190. 
Scaldia, 65. 
biforis, 71. 
Scapanorhynchus, 
351, 3(10. 
cIongatuB, 353. 
gigns, 358. 
lewiaii, 3,51. 
rhapliiodon, 353. 
subulutus, 356, 358. 
Sclerorhynchus, 76. 
ataviiB, 76. 
ScoUodon, 435. 
cocipnns, 436. 
krauBsi, 437. 
orpiensis, 436. 
prisctiB, 380, 437. 
Scyluiua!, 338. 
Scylliodus, 340, 347. 
antiqnua, 340, 347. 
oraBsiconus, 343. 
Inunboldti, 343. 
Scyllium, 340. 
acre, 342. 
