BY JAMES C. COX, M.D., F.L.S., ETC. 787 



Hal. Mediterranean Sea ; Atlantic coasts of Europe, Africa ; 

 "West Indies ; Pacific Ocean. 



Arms 4, 3, 2, 1. 

 Octopus polyzenia, Gray, Tryon, p. 122. 



Body oblong rounded, snort, with a few scattered warts or 

 beards ; arms slender ; web short ; cups large. 



Ha I. Port Essington, Australia. 



A specimen in British Museum. Not figured. 



Length of arms not stated. 



Octopus Boceii, Lesueur ; Tryon, p. 122. 



Body roundish, back with a few regularly placed larger 

 tubercles ; eyes with three conical beards ; arms elongate, without 

 beards, the upper pair with a very wide dorsal membrane, web 

 moderate. 



Hob. Australia. 



A very doubtful species. It may be equal to 0. polyzenia, but 

 probably neither of them are good species. 



2. Cups of the dorsal pair of arms largest. 



Arms 1, 2, 3, 4. 



Octopus Cuvieri, Orb.; Tryon, p. 122, pi. 38, figs. 56 ; pi. 37, f. 55. 



Body oblong, enlarged below, warty above with a medial 

 posterior beard ; aperture of moderate size ; ocular beards 

 indistinct. Arms very long, slender, unequal, 1 and 2 much the 

 longest. Web broad. Cups elevated, some on the two upper 

 pairs of arms larger. Total length 600 mill. ; length of body 40 

 mill. ; length of arms 1, 530 mill. ; 2, 460 mill. ; 3, 420 mill. ; 4, 

 370 mill. 



Hab. Canaries ; Mediterranean Sea ; Eed Sea ; Indian and 

 Pacific Oceans. 



