1 1 8 OCTOPUS. 



truncated in advance of the eyes ; arms subquadrate, the largest 

 four times the length of the body ; umbrella small. Very closely 

 punctate with reddish-brown spots. 



Length of body and head, 3-5 in.; length of longest arm, 

 10-8 in. ; of shortest, *.)-25 in. 



The common Poulpe of the Californian coast ; attains consid- 

 erable dimensions. Dr. W. 0. Ayres has seen one in which the 



arms were over 7 feet long. 



Alaska to Lower California. 



0. Hawaiensis, Souleyet. PI. .34, figs. 44, 45. 



Body small, globose ; head large ; arms strong, slightly 

 webbed at their base, nearl}' four times as long as the sack. 

 Very closely- punctate with black. 



Length of body, 20 mill.; of head, 10 mill.; of arms 1, 3, 4, 

 «0 mill.; of arms 2, 100 mill. 



A single specimen in alcohol. Very closely allied to, if not 



identical with 0. punctatus. 



Sandtcich Isles. 



Anns 3, 2, 1, 4. 

 O. Favonia, Gray. 



Body oblong ; eyes not bearded ; arms moderate, conical ; 

 web moderate, with hard, transparent granulations above, espe- 

 cially between the dorsal arms; cups large, the two or three 

 lowest one-rowed. 



A single specimen in alcohol (Brit. Mus.). Not figured. 



Indian Ocean. 



Arms 4, 1, 3, 2. 



0. Tehuelchus, Orb. Tl. 28, lig. 19. 



Body round, short, very smooth ; arms elongated, compressed, 

 nearly equal; cups about 100 on the longest arms ; web thin ; 

 siphuncle elongate, narrow. When alive blackish brown, 

 whitish beneath. 



Length of body, 22 mill.; of arms 4, 135 mill.; 1. 130 mill.; 3, 

 130 mill.; 2, 117 mill. 



Resembles 0. Hawaiensis very closely. 



Patagonia. 



