A. E. Verrill — North American Cephalopods. 



263 



Young Architeuthis Sarveyi. ■ Measurements of arms (in inches). 



Dorsal jjair. 

 Breadtli of front, excluding membranes, . 



Breadth of lateral membranes, 



Diameter, transversely, -. 



Diameter from front to back, 



Second ■pair. 



Total length, 



Breadth of front, 



Breadth or membranes, 



Diameter, transversely, 



Diameter, front to back, 



Third pair. 



Breadth of front, 



Breadth of membranes, 



Diameter, transversely, 



Diameter, front to back, — 



Fourth pair. 



Breadth of front, 



Breadth of membranes, .-.. 



Diaoieter, transversely, 



Diameter, front to back, 



Tentacular-arms . 



Total length, 



Ease to expansion of club, 



Diameter of slender portion, . 



Length of club, 



Length of part occupied by 24 largest suckers, . . 

 Length of part occupied by small distal suckers,. 



Greatest breadth of club, 



Diameter, front to back, . 



26-25 



67- 



•4-- 6 

 8-25 

 4-25 



260 



■no 



•60 



Near 

 base. 



•35 



•20 



•75 



1^05 



•40 



•25 



•80 



1^20 



•50 



•20 

 1-10 

 1^08 



•40 



•20 



•98 



1^40 



At 

 5 in. 



At 

 10 in, 



•35 

 •15 

 •35 



•40 



•15 



•40 



1^20 



•30 

 •10 



At 

 15 in. 



•30 

 •60 



At 

 20 in. 



•16 

 •40 



Sessile arms, front base to particular suckers. 



Measurments of suckers of sessile arms (in inches). 



