124 
Fig. 1. 
Fig. 1. 
BULLETIN OF THE MUSEUM OF COMPARATIVE ZOOLOGY. 
EXPLANATION OF PLATES. 
PLATE IV. 
Octopus punctatus Gabb. Male. Dorsal view, from an alcoholic specimen, 
somewhat restored. Reduced to one fourth natural size. — 
PLATE V. 
Octopus bimaculatus Verrill. Male. Side view. One half natural size. 
Somewhat restored from an alcoholic specimen. 
. Thesame. Hectocotylizedarm. Side view, showing the marginal groove 
spread open and the very small terminal organ. Enlarged two diam- 
eters. 
Octopus punctatus Gabb. Distal portion of the hectocotylized arm, front 
view, showing the terminal organ, spread open, and the commencement 
of the marginal groove, with a few of the distal suckers. Enlarged two 
diameters. 
PLATE VI. 
Octopus bimaculatus Verrill. Male. Front view of the inner surface of the 
web and arms, showing the entire length of the right arm of the second 
and third pairs, and the basal portion of the other arms. To illustrate 
particularly the great size of certain suckers of the lateral arms. 
