

SYSTEMATIC TABLE OF CONTENTS. 



Class IV. CEPHALOPODA. 



Subclass I. Antepedia 



Page 



Order I. Octopia .... 

 Fam. I. Octopidje. 



1. Octopus 



2. Cistopus 



3. Pinnotopus - 



4. Eledone 



5. Cirroteuthis - 



Fam. II. Philonexid^e. 



1. Philonexis 



2. Tremoctopus 



Fam. III. OcyTHoiDiE. 



I. Ocythoe, or Argonauta 



Order II. Sephinia ... 



Suborder I. Cbondrophora. 



Fam. I. Cranchiad.s:. 

 1. Cranchia 



Fam. II. Loligopsid^e. 

 1. Loligopsis 



Fam. III. ChiroteuthidjE. 



1. Chiroteuthis - 



2. Histioteuthis - 



Fam. IV. Onychoteuthid^e. 



1. Enoploteuthis 



2. Ancistrocheirus 



3. Abralia 



4. Octopodeuthis 



5. Acanthoteuthis 



6. Onychoteuthis 



7. Ancistroteuthis 



8. Onychia 



9- Ommastrephes 

 a 



4 — 19 

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 20 

 21 



23 



24 

 27 



30 

 35 



38 



39 



43 

 44 



46 

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 51 

 51 

 52 

 55 

 56 

 57 



