XX 



CONTENTS. 



Page 



136. Loligopsis - - -273 



137. Loligo - - - - 273 



138. Sepia - - - - 273 



Order V. — Heteropoda - 274 



139. Carinaria - 274 



140. Atlanta - - - - 276 



141. Pterotrachea - - - 276 



142. Phylliroe - ~- - 276 



Guide to the Use of the Tables - - 278 



An Alphabetical List of Orders, Divisions, 



Families, &c. - - - - 280 



An Alphabetical List of Genera - - 283 



English Names used in this Volume - 292 



Explanation of Terms - 293 



