OCTOPODA. 



141 



Tribe II. Octopoda. 



Arms eiglit ; tentacles none ; suckers sessile ; 

 eyes fixed, incapable of rotation ; body united to 

 the head by a broad neck-band ; no lateral fins ; 

 shell (in the British species) internal and rudi- 

 mentary. 



Octopus. (Cuv.). Foul'pe. Body oval, warty, 

 without fins ; arms long, unequal, united at the 

 base by a web ; suckers in two rows ; shell two 

 short styles, enclosed in the mantle. 

 0. vulgaris. Fig. 215 ; \n.s. 



216 



Eledone (Leach). Body small, oblong ; arms 

 long, tapering, webbed ; suckers in a single row. 

 E. octopodia. Fig. 216 ; \ n. s. 



