[239] CEPHALOPODS OF NORTHEASTERN COAST OF AMERICA. 449 



Figure 6a. — The same. Terminal portion of the hectocotylized arm ; enlarged 2 



diameters. 

 Figure 7. — Alloposus mollis Verrill. Part of a large mutilated specimen. Portion of 



an arm, with suckers, from near the base : natural size. 



Plate XLIII. 



Figure 1. — Octopus lentus Verrill. Female ; original specimen. Ventral view ; $• natu- 

 ral size. 

 Figure 2. — The same specimen. Dorsal view ; £ natural size. 



Plate XLIV. 



Figure 1. — AUoposus mollis Verrill. An entire, detached, mature hectocotylized arra; 



£ natural size. 

 Figure 2. — Octopus lentus Verrill. Side view of a male ; enlarged about 1£ diameters. 

 Figure 3. — Eledone verrucosa Verrill. Side view of a male ; £ natural size. 

 Figure 3a. — The same specimen. Distal portion of the hectocotylized arm, to the edge 



of the basal web, showing the terminal appendage and the lateral groove. 



Plate XLV. 



Figure 1. — Lestoteuthis Fabricii V. One of the tentacular arms; enlarged 2 diameters. 



Figure la. — The same. The larger claw ; side view. 



Figure lb. — The same. Lateral arm; enlarged 2 diameters. 



Figures lb', lb". — The same. One of the hooks; enlarged 4 diameters. 



Figure lc. — The same. Portion of ventral arm ; enlarged 2 diameters. 



Figure Id. — The same. Pen, ventral view ; a little less than natural size. 



Figure 2. — Desmoteuthis tenera V. General figure of male, dorsal view; natural size. 



Figure 2a. — The same. Teeth of odontophore; enlarged 22 diameters. 



Figure 26. — The same. One of the larger suckers of the lateral arms; front view; en- 

 larged 8 diameters. 



Figure 2c. — The same sucker; side view. 



Figure 2d. — Valve-like apparatus within base of siphon; larger than natural size; S, 

 orifice of siphon ; m, median organ ; I', lateral papilla, and i, medio-dorsal papilla ; 

 n, n', lateral cushions. 



Figure 3. — Brachioteuthis Beanii Verrill. Dorsal view of the male ; natural size. 



Figure 3a. — The same. Pen, ventral view ; enlarged slightly. 



Figure 3b. — The same. Teeth of the radula ; enlarged 22 diameters. 



Figure 4. — Desmoteuthis hyperborea. Side view of one of the large suckers of the 3d 

 pair of arms ; side view ; enlarged 8 diameters. 



Figure 4a. — The same. Peculiar orgaus on the interior of the medio-dorsal side of 

 the base of the siphon ; enlarged 2 diameters ; i, median, i', lateral papillsB. 



Figure 5. — ChiroteutMs lacertosa V. Young female. One of the suckers of the ten- 

 tacular arms ; front view ; enlarged 22 diameters. 



Figure 6. — Histioteuthis Collinsii. One of the larger suckers of the median rows of 

 the tentacular club ; side view ; enlarged 2 diameters. 



Figure 6a. — The same. Oue of the suckers of the sublateral rows of the tentacular 

 club. 



Plate XLVI. 



Figure 1. — Chirotenthis lacertosa Verrill. Dorsal view of the male; a little less than 

 three-quarters natural size ; t a, stump of one of the tentacular arms, with a few 

 of the sessile suckers remaining. 



Figure la. — The same. Ventral view of the pen : enlarged about 3 diameters. 

 S. Miss. 59 29 



