OCTOPUS. 1 1 9 



Arms nearly efiual. 

 O. BREviPEs, Orl). IM. 2n. fig. 10. 



Body oblong, large ; head short, broad ; e^es prominent, 

 without lids ; arms short, conical, about one-third the length of 

 the animal, upi)er pair rather longest. Bluish with red spots. 



Length of body, T mill.; of sui)erior arms, fi mill.; total length, 

 n mill. 



D'Orbigny distinguishes this from nil other species l)y the 

 shortness of its arms ; it is doubtless young. 



230 N. lat., 350 W. long., Atlantic Ocean. 



O. FiiRvus, Gould. PI. 35. figs. 48, 49. 



Body pyriform ; head elongate, dilated below ; eyes large, 

 with three cirri ; arms very long, graceful, sub-equal ; suckers 

 large, approximate, 96 pairs on upper arms ; web small. 

 Ochraceous, mottled. Length of body, (i in. ; of arms about 

 40 in. 



Obtained in the market and from fishermen. 



Bio Janeiro. 

 Arms 2, 1, 3, 4. 



(>. TETRACIRRUS, Cliijije. PI. 27. fig. IT. 



Body oval, bursiform, flaccid, with sometimes a tubercle at its 

 extremity ; head rather large, with prominent eyes, and two 

 ocular cirri ; arms three times the length of the body, conical- 

 subulate, laterally compressed, with about l.SO smnll cuj^s on the 

 longest; web very elastic and much developed, embracing a 

 quarter of the arms ; siphon short, cylindrical and rather large 

 proportionally ; skin very elastic and a little transparent. 



Total length, 200 mill. ; length of arms, 2. 180 mill. ; 1. I2S 

 mill.; .3. 102 mill.; 4. 9fi mill. 



Distinguished by its very elastic skin and tiaccid consistence, 

 its brilliant coloring and its well-develo})ed web. 

 Sold in the Genoese markets. 



Mediterra nean. 

 b. Body smooth, bearded. 

 Arms 4, 3, 3, 1. 

 O. HORRiDus, Orb. PL 25, fig. 11. 



Body short, round, with numerous, regularly placed, diverging 

 beards ; head short, with diverging beards round the ej es ; 



