SYSTEMATIC INDEX. XXXix 
Family TRYGOYIDiE {continued). 
Page 
Cyclobatis major.155 
-sp. ind.156 
Tectospondyli incertae sedis.. , 156 
Suborder AS TEH OSPOND 7LI . ..157 
Family NOTIDANID^E.157 
Yotidanus.157 
-muensteri.158 
-serratus.159 
-dentatus.159 
-lanceolatus.160 
-microdon.160 
-serratissimus.162 
-primigenius.163 
—— gigas.165 
Chlamydoselache.168 
Family COCHLIODONTID^E.169 
Helodus.171 
-simplex . . . ..171 
Pleuroplax.173 
- rankinei.173 
-attheyi.175 
-woodi.175 
Psephodus.176 
-magnus.177 
-laevissimus.181 
—— salopiensis. ,182 
-dubius.183 
Sandalodus.185 
-morrisii 185 
-minor ....... .... 187 
-- angustus.187 
-carbonarius.188 
-laevissimus.188 
