xl 
SYSTEMATIC INDEX. 
Pamily COCHLIODONTIDjE (continued). 
Page 
Sandalodus complanatus 
Tomodus 
convexus 
Xystrodus 
striatus 

(?) egertoni 
Deltodus 
Bublaivis 
gibbus 1®' 
rugosus 
concha 
occidentalis 
spatulatus 
PcEcilodus ' 
• . 902 
jonesn 
gibbosus 
Cochliodus 
contortus 
— 208 
Stroblodus 209 
oblongus 209 
colei ■ • 210 
91 1 
egertoni . 
Deltoptychins 212 
acutus 212 
gibbcrulus 214 
Diplaoodus 216 
bulboides 216 
Cyrtonodus 216 
hornei 216 
Family CESTEACIONTID^ 229 
Orodus 230 
cinctus 230 
ramosns 231 
