REPORT OF COMMISSIONER OF FISH AND FISHERIES. [238] 
PLATE XXXVII. 
Figure 1.—Rossia Hyatti Verrill. Female; ventral view of the head and arms; en- 
larged 3 diameters. 
Figure 2.—Rossia sublevis Verrill. Female; ventral view of the head and arms; en- 
larged 3 diameters. 
PLATE XXXVIII. 
Figure 1.—Stauroteuthis syrtensis Verrill. Dorsal view; , natural size. 
Figure 2.—The same. Lower side of head; s, siphon; e, eye; a, the auditory pore. 
Figure 3.—The same. The siphon, turned back. 
Figures 4 and 5.—The same. Superior and inferior mandibles; enlarged 23 diameters. 
This plate was drawn by the author, from the alcoholic specimen, except figures 4 
and 5, which are by J. H. Emerton. 
PLATE XXXIX. 
Figure 1.—Alloposus mollis Verrill. Young male; side view, showing the sac contain- 
ing the hectocotylized arm, cut open, so as to expose the partially developed arm; 
+ natural size. 
Figure la.—The same specimen. Hectocotylized arm removed from the sac; enlarged 
2 diameters. 
Figure 2.—The same. Young female; ventral view ; } natural size. 
Figure 2a.—The same specimen. Dorsal view; 4+ natural size. 
PLATE XL. 
Figure 1.—Octopus piscatorum Verrill. Female; original type. Ventral view; # natu- 
ral size. 
Figure la.—The same specimen. Dorsal view. 
Figure 2.—Parasira catenulata Steenst. Female; front view ; 4 natural size. 
Figure 2a.—The same specimen. Side view of body and head; 4 natural size. 
PLATE XLI. 
Figure 1.—Octopus Bairdii Verrill. Male; ventral view; natural size; h, terminal 
spoon-shaped organ of the hectocotylized arm ; i, the groove along the lower side of 
the arm. 
Figure la.—The same specimen. Hectocotylized arm; enlarged 2 diameters. 
Figure 2.—The same. Male; figured in the act of swimming; dorsal view; a, termi- 
nal spoon of hectocotylized arm. From a living specimen; nearly natural size. 
Figure 3.—Octopus Bairdii var. Verrill. Side view of a young male, enlarged about 
14 diameters. 
Figure 3a.—The same specimen. Terminal appendage of the hectocotylized arm; 
more enlarged. 
PuaTE .XLII. 
Figure 1.—Octopus Bairdii Verrill. Male; dorsal view from a living specimen ; nearly 
natural size. : 
Figure 2.—The same. Side view, from life ; nearly natural size. 
Figure 3.—The same. Jaws; s, superior; i, inferior mandibles; enlarged 2 diameters. 
Figure 4.—The same. Portion of odontophore ; enlarged 22 diameters. 
Figure 5.—The same. Spermatophores. <A, one with the inner sac (8) partly extruded; 
i, the point from which the extension commences; enlarged 14 diameters; B, another 
spermatophore in its original condition; a, filament at large end; ), filament at 
small end. 
Figure 6.—Octopus obesus Verrill. Male; original type. Basal portion of one of the 
lateral arms, to show the arrangement of suckers; enlarged 14 diameters. 
