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I N DF. X. 
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Psittacodon (cont.). 
psitt,acinus, ,50. 
) stdgwicki, 73. 
Pteraspid-e, 159. 
Pteraspis, 100. 
acadica, 170. 
angustata, 108. 
banksi, 170. 
curnubica, 175. 
crouchi, 107, 17- 
dunensis, 174. 
kneri, 174. 
Pygopterhs (co/if.). 
humboldti, 400, 470, 
505. 
jamesoni, 475. 
latus, 474. 
lucius. 475. 
mandibularis, 470, -P2- 
'74. 
scoticus, 470.*' t/jr, ^y : 
sculptus, 471 • 
., scutellatus. 4< 4. 
} £ n 5rd(<y£e/i/'S . ^ c? 
r a nth as. 150. 
luaensis, i/ • 
i 
ft 6 
V • t * • 
major, I Ob. 
m 
. vtatvc 5 mitebelli, 10-S. 
>• podoliea, 109. 
{ jt>r/*«ke*a,/69- rhenana, 109. W 
: ^ v * s* f\ -i i 
\ . _^ * £ 
Rabdacanthas, 150. 
truncatus, 150. 
“• Rabdiolepis speciosus,’ 
054. 
Rhizodopsis, 351. 
robusta, 3c>7. S <^^7 ^ 
sauroides, 679, 335. 
Rhizodus, 342. 
auceps, 340. 
angustus, 348. 
garncri, 349. 
trracilis, 342. 
5/7 cr j f 
73 
granulatus, 3.m. 
hardingi, 353 
\J i ^ r».)4. 
“ Rhabdoderma, 399, 
bibberti, 342, 6 _p;, 
355, 357. 
incurvus, 348. 
lanceiformis, 34S. 
lancifer, 348. 
occidental is, 348. 
■f ^arrkv^> K ^-lf\ 
u~<rne *-\sc<s ' 
* - 
CC'd 
ornatus, 34* >. 
rostrata, 766, 767, 
786'. \. 
truncata, 172. 
■ <?. 
f • • c / 
% ' ' ^ypterichthys, 208 
7sr^ vV , y1 > ;*>h arenatus, 222. 
* ■“ ’ canadensis, 228. 
40'h j .7 
elegans, 403. » port iocki, •>.>>. 
lmxleyi, 4* >7 
vlpvi 40V ' - . quad rat us, 202 . 
ornatum, 4 *\ ^Rhornboptychius, 
robust am, 400. 378, «> 8 -t, ^ 
^ tinglevense, 402. RhyncliOQUS, *^9. 
cancriformis, 217. 
cellulosus, 222 . 
concatenatus, 205. 
cornutus, 210. 
depressus, 207. 
dicki, 223. 
elegans, 222 . 
harderi, 223. 
hydropUiluM, 230. 
latus, 212 . 
inacrocephalus, -oi. 
major, 200, 220 . 
milleri, 212, o53. 
obiongus, 219. 
productus, 217. 
quadratus, 212 . 
rhenanus, 222 . 
rugosus, 315. 
striatus, 223. 
testudinarius, 209, 21 'h 
Pteroplas, 348. 
Ptvchacantbus dubius, 
97. f . 
Ptyctodontid.e, 37.2 ?v. 
Ptyctcdas, 37, 38. 
ancinuatus, 39. 
calceolus, 39. 
^obliquus, 38, 39. 
Ptyoncdus, 255, 256, 
20 . 2 . 
paucicrist.atns, 201 . 
vinslovi, 2(i2. 
Pycnaca.nth.us, 97. 
Pygopterus, 470, 458. 
bonnardi, 47o. 
bucklandi. 497. 
elegans. 458. 
greenocki, 4o8. 
(Rhabdolepis, 487,492. 
agassizi, 513. 
eupterygia, 492. 
macroj)tera, 492. 
ornata, ol 2 . 
striata, 491. 
Rhacclepis, 44-8. 
Rhadinacanthus, 23. 
longispinus, 20 . 
Rhadinichthys, 401. j qu 
alberti. 40 5.at<*’ r '^' n C; ^ s 
crass us, 40 . 
excavatus, 39. 
f ran gens, 40. 
greenei, 40. m * - p - ‘ ^ 
occidentalis, 39. 
secans, 39. 
Rincdus. 38. 
calceolus, 39. 
Rytidolepis, 157. 
quenstedti, 157. . 
1 - ' *-'* ShvAl' 
Oe tss 
angustulus, 408. 
brevis, 408 ; cay ^f fXv-^4 
Sagencdus, 257,255,2"' 
ubtj 
cairnsi, 405. 
carinatus, 4*73. 
delicatulus, 40o. 
elegantulus, 404. 
ferox, 409. 
{‘ueiformis, 408. 
geikiei, 403, 464- 
gracilis, 409. 
grossarti, 409. iaS) 
hancocki, 4<>9/ /u _ * t ^ |? 1 
leidyanus, 409. 
lepturus, 402. 
lincatus, 450. 
macconocliii, *4< ^4. 
macroceplialus, 433 
macrodon, 409. 
modulus, 400. 
monensis, 407. 
angustulus, 2 i> 0 . 
a|ij)lanatus, 20 *). 
carbonari us, 200 . 
caudal us. 2 *> 0 . 
corrugatus, 201 . 
dialopbus, 201 . 
fossatus, 2 *> 1 . 
gurleyanus, 201 . 
heterulophus, J 01 . 
•ilia 
i 
»b 
- JA 
U*J. 
usus, 201 . 
octodorsalis, 201 . 
paucicristatus, 201 . • ^ 
peri prion, 20 ) 1 . r 
porrcctus, 2 <> 1 . * 
pusillus, 201 . 
quinquecostatus, 2 *> 0 . 
reticulatus, 2 »>}. 
serratus, 201 . 
/*> 
ornatissimus, 402. vabasensis, 201. 
planti, 409. vinslovi, 2lV2 
tcnuicauda, 400. H Saurichthys inHexus, o40. 
2 A 
tuberculatus. 409. 
ward 407. 
Kinrunis. 318. 
Rim/.odo.nt'7-.v., 341. 
Saurlpterus. .'K>4. 
anglicus, 300. 
favosus, 30.). 
tavlori. 305. 
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