SYSTEMATIC INDEX. 
Family PTEllASPIPTE ( continued). 
Page 
Preraspis rostrata ........ 162 
X. 
-crouchi ..167 
Palaeaspis.169 
-sericea.169 
- amoricana ..170 
Cyathaspis.1<0 
-- bauksi.. 1 / 0 
-— inacculloughi.172 
Order OSTEOSTE A 
u i 
76 
Family CEPHALASPI13FE 
Cephalaspis 
-lyelli 
——— R.il wcyi 
—— poYvriei 
-page! 
-- murchisoni 
-lightbodii . 
-campbelltonensis 
-dawsoni 
-laticeps 
Eukeraspis 
-- pustulifera 
Auchenaspis . 
--- saltcri . . . 
- egertoni 
—— verrucosa . 
Didymaspis . 
--griudrodi . 
176 
177 
179 
1S1 
182 
183 
185 
190 
190 
192 
192 
193 
195 
190 
196 
198 
199 
199 
Family 
TEE1IATASPID7B . 
Tremataspis . 
schrenki 
201 
201 
