A. K. 'Verrill- — Xorth American Cephalopoda. 
44 3 
Figure 5. — Sthenoteuth is megaptera V. Beak and inner buccal membrane, front view, 
natural size. 
Figure 5 a . — The same. Large sucker from the tentacular arm of tbe same specimen, 
front view, enlarged two diameters. 
Plate XLY1. 
Figure 1. — CaUiteuthis revet sa Verrill. Female. Ventral view, natural size. 
Figure la. — The same. Beak, buccal membranes and base of arms, front view, 
natural size. 
Figure 16. — The same. One of the larger suckers from a lateral arm, enlarged. 
Figure 2. — Heteroteuthis tenero Verrill. Dorsal view of female, enlarged two diameters. 
Figure 2«. — The same. Tentacular club, enlarged four diameters. 
Figure 2b. — The same. Pen, enlarged four diameters. 
Figure 2c. — The same. Jaws, side view, enlarged four diameters; a, superior; b, in- 
ferior mandible. 
Figure 2 cl. — The same. Part of the odontophore. much enlarged. 
Figure 3. — The same. Front view of male, enlarged two diameters. 
F'igures 3a, 36. — The same. Front and side-views of one of the suckers of the 
lateral arms of the same specimen. 
Figure 4. — Rossi a subleris Verrill. Pen from 5 (see Plate 47, tig. 2), enlarged four 
diameters. 
Figure 5. — Rossia Hyatti V errill. Female. Suckers, enlarged fifteen diameters ; a, one 
of tbe largest from third pair of arms, side-view ; b. c, two forms of suck- 
ers from the tentacular club. 
Figure 6. — Rossia megaptera Verrill. Female. Suckers, enlarged fifteen diameters ; 
a. front view of one of the largest from third pair of arms ; 6, c, <1, three suck- 
ers from the tentacular club. 
Figures 5 and 6 are eamera-lncida drawings by the author ; the rest are by J. H. 
Emerton. 
Plate XLVI1. 
Figure 1. — Chiroteuthis lacertosa ? Verrill. One of the tentacular arms, outer side, 
natural size. 
Figure la. — The same. Front view of club, enlarged two diameters. 
Figure 16. — The same. One of the suckers, enlarged. 
Figure 2. — Rossia sublevis, ear. Verrill. Female. Dorsal view, natural size. 
Figure 2a. — The same. One of the suckers of the tentacular club, side-view, much 
enlarged. 
Figure 26. — The same. Marginal scales on the edge of the sucker, more enlarged. 
Figure 3. — The same. One of the arms of the third pair, from another female 
example, enlarged two diameters. 
Figure 4. — The same. Corresponding arm of the male. 
Figure 5. — Heteroteuthis tenera Verrill. Dorsal view of male, enlarged two diameters. 
Figure 5 a . — The same. One of the larger marginal suckers of the tentacular club : 
front view, much enlarged. 
Figure 56. — The same. Portion of the margin of the sucker, more enlarged ; to show 
the scales. 
Plate XLVIII. 
Figure 1 . — Mastigotenthis Agassizii Verrill. Dorsal view, slightly enlarged. 
Trans. Conn. Acad., Vol. V. 53 December, 1881, 
