[237] CEPHALOPODS OF NORTHEASTERN COAST OF AMERICA. 
PLATE XXXIII. 
Figure 1.—Heteroteuthis tenera Verrill. Front view of male; enlarged 2 diameters. 
Figures la, 16.—The same. Front and side views of one of the larger suckers of the 
lateral arms of the same specimen; more enlarged. 
Figure 2.—The same. Jaws, side view; enlarged 4 diameters; a, superior; b, inferior 
mandible. 
Figure 2a.—The same. Tentacular club; enlarged 5 diameters. 
Figure 2b.—The same. Pen; enlarged 6 diameters. 
Figure 2c.—The same. Part of the radula; much enlarged. 
Figure 2d.—The same. Part of the radula; more enlarged. 
Figure 3.—The same. Dorsal view of a male; enlarged 2 diameters. 
Figure 3a.—The same. One of the larger marginal suckers of the tentacular club, 
front view ; much enlarged. 
Figure 3b.—The same. Portion of the margin of the sucker, more enlarged, to show 
the scales. 
PLATE XXXIV. 
Figure 1.—Heteroteuthis tenera Verrill. Dorsal view of female; enlarged 2 diameters. 
Figure la.—The same. A group of eggs; enlarged 2 diameters. 
Figure 2.—Rossia sublevis Verrill. 9. Dorsal view; natural size. 
Figure 2a.—The same. One of thesuckersof the tentacular club, side view ; much en- 
larged. 
Figure 2b.—The same. Marginal scales on the edge of the same sucker; more en- 
» larged. 
Figure 3.—The same. Pen, ventral view; enlarged 6 diameters. 
Figure 4.—The same. Ventral view; enlarged 14 diameters. 
Figure 5.—The same. One of the arms of the third pair, from another female ex- 
ample; enlarged 3 diameters. 
Figure 6.—The same. Corresponding arm of the male; enlarged 3 diameters. 
PLATE XXXV. 
Figure 1.—Histioteuthis Collinsii Verrill. One of the largest median suckers of the 
tentacular club; side view; enlarged 4 diameters. 
Figure la.—The same. One of the suckers from next to the outer row, of the same 
club; enlarged 4 diameters. 
Figure 2.—Rossia Hyatti Verrill. Side view of young male; enlarged 14 diameters; 
from life. 
Figure 3.—Rossia megaptera Verrill. Female; dorsal view; natural size. 
Figure 4.—The same. Suckers; enlarged 22 diameters; a, front view of one of the 
largest from the third pair of arms; }, c, d, three suckers from the tentacular club. 
Figure 5.—Rossia Hyatti Verrill. Egg containing an embryo; enlarged 6 diameters. 
The shaded portion represents the yolk still remaining unabsorbed. 
Figure 6.—The same. Pen; enlarged 6 diameters. 
PLATE XXXVI 
Figure 1.—Stoloteuthis leucoptera Verrill. Male; from a specimen taken in 1879; en- 
larged 14 diameters. 
Figure 1la.—The same specimen. Male; upper lateral arm, showing the greatly en- 
larged, middle suckers; enlarged 4 diameters. 
Figure 2.—The same. Young female; ventral view; enlarged 3 diameters. 
Figure 3.—Rossia Hyatti Verrill. A young specimen; enlarged 14 diameters. 
Figure 4.—The same. Adult female; dorsal view; enlarged 14 diameters. 
Figure 5.—The same. Female; suckers; enlarged 22 diameters ; a, one of the largest 
from third pair of arms, side view; b, c, two forms of suckers from the tentacular 
club. 
Figure 6.—The same. Lateral arm of a male; enlarged 3 diameters. 
