SYSTEM-INDEX. 



vn 



Order— SAUROPTERYGIA. 



Genus — Pliosaurus 

 Species — Pliosaurus grandis 



— brachydeirus 

 ■ — trochanterius 



— portlandicus 

 Genus — Flesiosaukus 

 Species — Plesiosaurus dolichodeirus 



— homalospondylus 



— rugosMS 



PAGE 

 152 



154 



157 



158 



163 



1 



1 



12 



34 



Order— ICHTHYOPTERYGl A. 



Genus — Ichthyosaurus 

 Species — Ichtliyosaurus breviceps 



communis 

 intermedius 

 platyodon 

 loncliiudoii 

 longifrons 

 latifrons 

 acutirostris 

 tenuirostris 

 longirostris 

 latimanus 

 bracliyspondylus 

 fortimanus 

 longimanus . 



41 

 67 

 68 

 70 

 73 

 75 

 76 

 76 

 78 

 79 

 82 

 85 

 85 

 176 

 176 



Order— LABYRINTHODONTIA. 



