LIST OF ILLUSTRATIONS. 556 



LIST OF ILLUSTRATIONS, VOL IT. 



II. > Dermal plates of Holothuriadaj. 

 III.) 



IV. — Batrachiderpetoii lineatuin. 

 V.— Echinocardium pennatifidum. 



VI. — Proterosanrus Speneri. 

 VII.— Proterosaurus Huxleyi. 

 VIII. — Lepidotosaurus Duffii. 



y' > Dorypterus Hoffmanni. 



XI. — Saccammina Carteri. 

 XII . — Anthracosaurus Russelli. 



XIII. — Ctenodus imbricatus, C. obliquus, and C. elgans. 

 XIV. — Ctenodus tuberculatus. 

 XV. — Pleurodus Rankinii, Platysomus rotundus, P. Forsteri, and Ca;la- 



canthns lep turns. 

 XVI.— Scales of Ctenodus. 



XVII. — Pseudocyclops crassiremis and Cyclops littoralis. 

 XVIII. — Cyclops ovalis, Cyclopicera lata, and Macrocheiron fucicolum. 

 XIX. — Canthocamptus imus and Scutellidium tisboides. 

 XX. — Ectinosoma melaniceps and Dactylopns Normani. 

 XXI. — Laophonte Hodgii and Cletodes limicola. 



