566 
INDEX. 
* ; VA- 
t A .<yf&U /fa ! 
«f **■&**', , 
^6a.-i 
*V*U&± 
/ 
Psiuacodon (co^.). 
psittaeinus, ,56. 
: sedgwicki, 73. 
t Pteraspid.®, 159, 
. Pteraspis, 160. 
'M-* acadica, 173. 
angustata, 168. 
banks!, 170. 
cornubica, 175. 
crouch!, 167, 174- 
dunensis, 174. 
kneri, 174. 
luciensis, 173. 
y/6° major, 166. 
*tnit C helli, 168. 
podolica, 169. 
fr/naevc J69- rhenana, 169. <74 
rostrata, 160, 161, 162, 
166 • 
. ___ r ■' truncata, 172, 
^ i jrPtsrichthys, 208, 
arenatus. 222. 
■yjU*** canadensis, 228. 
cancriformis, 217. 
cellulosus, 222. 
concatenatus, 205. 
comutus, 216. 
depressus, 207. 
dicki, 223. 
elegans, 222. 
harderi, 223. 
hydrophilus, 230. 
iatus, 212. 
macrocephalus, 231. 
major, 206, 226. 
miller! 212, 558. 
oblongus, 219. 
pi*oductus. 217. 
quadratus, 212. 
rhenanus, 222. 
rugosus, 315, 
striatus, 223. 
testudinarius, 209, 216. 
Pteroplax, 348 
Ptychacanthus dubius, 
97. 
Ptyctodontid.®, 37. 
Ptyctodus, 37, 38, 
ancinnatus, 39. 
calceolus, 39. 
mobliquus, 38, 39. 
Ptyonodus, 255, 256, 
262. 
paucicristatue, 261, 
vinslovi, 262, 
Pyenacanthus, 97. 
Pygoptems, 470, 488. 
bonnardi, 475. 
-v*--- - b “ cil andi 497. 
' ' elegans, 4o8. 
greenocki, 458. 
P37gopte r tis ( cont .). 
humboldti, 400, 470, 
505. 
jamesoni, 475. 
Iatus, 474. 
lucius, 475. 
mandihularis, 470, 474- 
seoticu.9, 470. /Ve ^ v ' 7 ', 
sculptus, 471. 
scutellatus, 474. 
I M <* (xd f 'o lefts $ t 
| Rabdacanthxis, 150. 
truncatus, 150. 
*• Rabdiolepis speciosus,” 
. 354. 
Rhabdoderma, 399, 
404. 
elegans, 403. 
kuxleyi, 407. 
^armfzsii . 3,7 
//'Sr* bSl/C, 
oauAiuj JL\y # • ♦ . r fj J ’ V., uciu.1 ciiuUOj 
lepturus, 403. t&.t'ffi-'-cTcty\ ^reticulatus, 262. 
ornatum, 403 \ iihomboptychius, 
Rhizadopsis, 354. 
robusta, 357. S 
sauroides, 819, 355. / 
Rhizodus, 342. 
anceps, 346. 
angustus, 348. 
garneri, 349. 
gracilis, 342. 
granulatus, 355. 
hardingi, 353. 
bibberti, 342, 346, 352, 
353, 857. 
incurvus, 348. 
lanceiformis, 348. 
lancifer, 348. 
occidentalis, 348. 
ornatus, 346. 
portlocki, 353. 
quadratus, 262. 
robustum, 406. 5ft?.; 
tingleyense, 402. 
Rbabdolepis, 487,492. 
agassizi, 513. 
euptei-ygia, 492. 
macroptera, 492. 
ornata, 512. 
striata, 491. 
Rhacolepis, 448. 
Rfradinacanthus, 23. 
longispinus, 26. 
Rhadin iclithys, 461. 
alberti, 465.e-. 
angustulus, 468. 
brevis, 463 
cairnsi, 465. UfcPi * 
carinatus, 463. 
delicatulus, 465. 
elegantulus, 464. 
ferox, 469. 
fusiformis, 468. 
geikiei, 463, 464. 
gracilis, 469. 
grossarti, 469. 
ti , t r. y-v in /l I-\ 1 .4 
378, 384, 386. 
B,hynch.odus, 38, 39. 
crass us, 40. 
excavatus, 39. 
frangens, 40. 
greenei, 40. rr 
occidentalis, 39. 
secans, 39. 
Rinodus, 38. 
calceolus, 39. 
Rxrtidolepis, 157. 
quenstedti, 157. 
Ja 
S3 
hancocki, 469.' 
ieidyanus, 469. 
lepturus, 462. 
lineatus, 450, 
macconochii, 464. 
macrocephalus, 433. 
macrodon, 469. 
modulus, 466. 
monensis, 467. 
ornatissimus, 462. ■-.*&* 
plant!, 469. 
tenuicauda, 466. 
tuberculatus, 469. 
ward!. 467. 
Rhipidistia, 318. 
Rhizodoxtid.e. 341. 
Sagenodus, 351,2ob,262. 
angustulus, 260. 
applanatus, 260. 
carbonarius, 260. 
caudatus, 260. 
corrugatus, 261. 
dialophus, 261. 
fossatus, 261. 
gurleyanus, 261. 
heterolophus. 261. 
d/dnsequalis, 234, 256. 
obtusus, 261. 
octodorsalis, 261. 
paucicristatus, 261. *<r" 
periprion, 261. /yf? C GJffco, 
porrectus, 261. «/ 2.£S- 
pusilius, 261. 
quinquecostatus, 260. 
retic-ulatus, 261. 
serratus, 261. 
i vabasensis, 261. 
vinslovi, 262. 
Sauricbthys inflexus, 340. 
Sauripterus, 364. 
anglicus, 366. 
favosus, 365. 
tavlori. 365. 
y/*S> r-c.'.f?/, tf*; 
tfSi f cf (L 4 pv»s J S"* 
