216 



THE VOYAGE OF H.M.S. CHALLENGER. 



Argonauta argo (also A. C. IL V. VII. 



IX. XL). 

 Octopus vulgaris (also I. III. V. VI. VII. 

 VIIL IX. X. XIIL). 

 „ granulatus (also III. VI. VII. 

 IX. XV.). 

 Eledone cirrosa (also I. V.). 

 Sejnola rondeleti (also I. V. VI.). 



„ atlantica. 

 Sepia officinalis (also I. V. VI.). 

 ,, filliouxi (also V.). 

 „ jischeri. 



Sepia orbignyava (also V). 

 ,, ruppellaria (also V.). 

 Loligo vulgaris (also I. V.). 



affinis. 



macrophthalma. 



microcephala. 



mouUnsi. 



forhesii. 



tnedia (also I. V.). 

 Ommastrephes crassus. 

 Todarodes sagittatus (also A. I. V.). 

 Ulex coindetii (also I. V.). 



V. The Mediterranean Region. 



The Mediterranean and Black Seas make up this region. Strictly speaking, here 

 also a subdivision should be made, like that adopted in regard to the oceans, separating 

 the pelagic from the littoral forms ; but the distinction does not seem to be so clearly 

 marked, perhaps owing to the subject not having been sufficiently investigated. 



Argonauta argo (also A. C. II. IV. VII. 



IX. XI.). 

 Ocythoe tuberculata (also II.). 

 Tremoctopus violaceus. 



,, microstomas (also A.). 



„ ocellatus. 



■^ Octopus vulgaris (also I. III. IV. VI. VII. 

 VIII. IX. X. XIIL). 

 ,, salutii. 



,, tuberculatus (also III. VL). 

 ,, dejilippi. 



, , macropus (also VL VIII. IX. X. ). 

 ,, alderii. 

 Scseurgus tetracirrhus. 

 „ titanotus. 



,, unicirrus. 



Eledone moschata. 



„ cirrosa ( = Eledone aldro- 

 vandi) (also I. IV.). 



Sepiola rondeleti (also I. IV. VL). 

 ? „ oweniana (also XIIL). 

 Rossia macrosoma (also I. XVII.). 

 Heteroteuthis dispar. 

 Sepia officinalis (also I. IV. VI.). 

 ,, Jilliouxi (also IV.). 

 ,, orhignyana (also IV.). 

 ,, elegans. 



„ ' ruppellaria (also IV.). 

 Loligo vulgaris (also I. IV.). 



,, media (also I. IV.). 

 Thysanoteuthis rhonibus. 



,, elegans. 



Ommastrephes bartramii (also A B. 

 IL). 

 1 „ sequip>odus. 



,, p>tero2niS (also A I.). 



Todarodes sagittatus (also A I. IV.). 

 Ulex coindetii (also I. IV.). 



