[ 49 ] CEPHALOPODS OF NORTHEASTERN COAST OF AMERICA. 
Comparative measurements of jaws (in inches).* 
A. 
Harveyi. 
A. princeps. 
6 
ft 
No. 5, when 
received. 
© 
irf 
6 
ft 
6 
ft 
o 
© 
ft 
A 
4j 
n 
6 
to 
No. 13, pre- 
serveu. 
6 
ft 
UFPEIl MANDIBLE. 
3. 55 
3. 85 
5 
3. 75 + 
5.25 
2. 49 + 
2.84 
2.60 
3. 50 + 
4. 50 
3. 54 + 
3. 88 
1 
1.45 
1.15 
2. 50 
3 + 
2.95 + 
3. 75 
2. 37 + 
2. 55 
3.40 + 
3.17 
3. 62 
2. 06 
3. 57 
. 63 ' 
.69 
. 61 
.75 
.81 
.75 
.75 
1.10 
1.15 
1.30 
1.50 
. 60 
.63 
1 
.69 
1.70 
2. 32 
2.30 
2.20 
3.15 
3.50 
1. 40 
1. 95 + 
1. 70 
LOWER MANDIBLE. 
3. 44 
3 
3. 63 
3. 89 
3.24 
3. 75 
2.60 + 
2. 55 
3. 08 
2. 65 
3. 32 
3. 88 
1. 50 
1.75 
1.74 
Anterior edge of alas to end of gular 
2.45 
3.15 
2. 68 
3.25 
. 85 
1. 30 + 
1. 68 
1. 31 
1.85 
2. 37 
2.40 
1.18 
. 93 + 
1. 50 
1.15 
1. 62 
1. 50 
1. 60 
1. 58 
1. 75 
Tip of beak to bottom of notch. 
.62 
.69 
.60 
.67 
.80 
.77 
.71 
.87 
1 67 
1. 50 + 
2. 20 
1.78 
2. 33 
2. 63 
2.10 + 
3.45 
2. 67 
1. 20 
1.18 
1. 85 
1.28 
1. 92 
1. 77 
2.17 
2.75 
. 12 
. 12 
. 15 
. 15 
. 12 
. 13 
. 30 
.35 
.32 
.32 
.38 
.60 
. 64 
* Nos. 1 and 10 had been dried for many years. All the others had been preserved in alcohol—Nos. 4 
and 13 for several years; No. 5 about one year; No. 14 for only a few days. The amount of shrinkage 
is considerable in those preserved long in alcohol or dried. 
Comparative measurements of Architeuthis Harveyi and A. princeps (in inches). 
No. 5. 
A. Harveyi. 
No. 2. 
A. Harveyi. 
No. 14. 
A. princeps. 
Fresh. 
Pre¬ 
served. 
Fresh ' served. 
Fresh. 
Pre¬ 
served. 
166? 
382? 
92? 
75? 
10? 
82 
18? 
22 
27? 
2 
66 
246 
480 
114 
95 
14? 
100? 
212 
372 
86 
07 
12 
74 
19 
28 
24.5 
10 
00 
From base of arms to origin of fins. 
Head, from base of arms to mantle (above). 
Body, edge of mantle to tip of tail (above). 
Tip of tail to insertion of fin. 
17 
16 
23 
6.5 
Breadth of caudal fin. 
33 
From end of body to outer angle of fin. 
Front edge of fin, outer angle to side of body. 
84 
48 
300 
36 
Length o! tentacular arms. 
Length of sucker-bearing portion. 
88 
30 
72? 
72? 
72? 
72 
7 
8 
101 
30 
348? 
30 
27 
289 
30.5 
81 + 
100 + 
76 + 
120 
9 
9.50 
7. 50 
Length of lateral arms (third pair). 
132 
Circumference of second pair of arms, at base. 
Circumference of second pair, 3 feet from base. 
