220 
A. K. Verrill — North American Cephalopoda. 
Comparative measurements of Architeuthis Harveyi and 
.4. princeps (in inches). 
No. 5, 
A. Harveyi. 
No. 2. 
A. Harveyi. 
No. 14. 
A. princeps. 
Fresh. 
Pres'd. 
Fr’h. 
Pres’d. 
Fr’h. 
Pres’d. 
Total length, to tips of short arms, 
166? 
246 
212 
Total length, to tip of tentacular-arms 
382? 
.. 
__ 
480 
372 
From base of arms to tip of tail, . 
92? 
114 
86 
From base of arms to origin of fins, - 
75? 
__ 
95 
67 
Head, from base of arms to mantle (above), 
10? 
__ 
__ 
14? 
12 
Body, edge of mantle to tip of tail (above), 
82 
100? 
74 
Tip of tail to insertion of fin, . 
18? 
17 
19 
Breadth of caudal fin, 
22 
16 
33 
28 
From end of body to outer angle of fin, 
Front edge of fin, outer angle to side of body, 
27? 
23 
__ 
245 
2 .. 
6*5 
10 
Circumference of body, 
Circumference of head. . . 
66 
-- 
-- 
-- 
84 
48 
66 
Length of tentacular-arms, 
88 
161 
348? 
360 
289 
Length of sucker-bearing portion, 
30 
30 
30 
27 
36 
30-5 
Length of dorsal arms ( 1 st pair), 
72? 
81 + 
Length of lateral arms (2d pair), 
72? 
100 + 
Length of lateral arms (3d pair), 
72? 
76 + 
Length of ventral arms (4th pair).. ... 
72 
132 
126 
Circumference of 1st pair of arms, at base, 
7 
9 
Circumference of 2d pair of arms, at base 
8 
9-50 
Circumference of 2d pair, 3 ft. from base,. 
7-50 
Circumference of 3d pair, at base,.. 
10 
8 
17 
11-25 
Circumference of 3d pair. 3 ft. from base, 
9 
Circumference of 4th pair, at base, ... 
9 
75 
10 
Circumference of 4th pair, 4 ft. from base, 
8-5 
Circumference of tentacular-arms, . 
3-75 
2-75 
4 
3Mi 
5 
4 
Circumference of terminal club of same 
4-5 
6 
6 
8 
6 
Diameter of largest sucker of tentacular-arms, . . 
1-15 
1-28 
1-25 
1-25 
1 
Diameter of largest sucker of sessile arms, 
1 
•84 
1 
1 
Aperture of latter, 
Details of tentacular-arms : 
-- 
•68 
-- 
-- 
■80 
•80 
Length of ‘club’ or expanded portion, 
31 
30 
30 
27 
305 
Of part of club bearing 24 largest suckers, 
Of ‘ wrist' or part with group of small suckers, . 
15 
14 
18 
14 
19 
7 
7 
6 
Of terminal part, with small suckers, 
Breadth of ‘ club ’ in middle, 
9 
9 
9 
9 
1-5 
2-5 
2-5 
3 
Breadth of wrist, 
1-6 
26 
1-5 
3 
Breadth of slender middle portion, 
115 
1-5 
Breadth of tip (from front to back), 
1-75 
1-5 
2 
Circumference of club, .. 
4-5 
5*5 
6 
Circumference of wrist, 
5 
6 
6 
Circumference of middle portions of arm 
2f— 3| 
24-3* 
3 Mi 
3M 
Distance between pedicels of large suckers, 
... 
1-15 
1-68 
1-44 
Distance between pedicels diagonally, 
Details of suckers of l club:' 
-- 
1 
1-32 
1-31 
-- 
Largest suckers, diameter in middle 
1-25 
1-15 
1-28 
1-24 
l -25 
Largest suckers, diameter of horny ring, 
•92 
1-15 
115 
Diameter of facets around suckers, 
1 
1-40 
1 -25 
Largest suckers, height from attachment, 
1 
.. 
__ 
•75 
Largest suckers, length of pedicels, 
•40 
_ _ 
•50 
Largest suckers, height of ring 
■32 
•42 
Secondary suckers, next to wrist, diameter, 
•24 
•44 
Marginal suckers, diameter of rings, 
.40 
•48 
•60 
Marginal suckers, height of rings, outer side, 
Sessile suckers of wrist, diameter, 
•28 
•35 
•12 
•28 
Suckers of terminal section, diameter, 
i— nr 
-- 
-- 
-- 
-- 
