276 
PACIFIC SCIENCE, Vol XIII, July 1959 
Body large, flaccid, opaque. Tail segment 10-19 per cent of total length; hooks 6-10; 
anterior teeth 4-5; posterior teeth 2-9. Anterior fins reaching ventral ganglion, or further 
anterior; connected to the posterior fins by a "fin-bridge.” Posterior fins close to, or touching, 
seminal vesicles. Caudal fin separated from seminal vesicles. Intestinal diverticula absent. 
BODY LENGTH 
IN MM. 
LENGTH OF TAIL 
SEGMENT (in °/o OF 
TOTAL BODY LENGTH) 
HOOKS 
ANTERIOR 
TEETH 
POSTERIOR 
TEETH 
Eastropic specimens: 
29.1 
10.3 
9 
5 
6 
29.0 
13.1 
10 
5 
7 
25.8 
14.7 
10 
5 
9 
25.0 
14.8 
10 
4 
6 
21.2 
16.5 
9 
5 
7 
19.8 
17.7 
10 
• . 
16.0 
17.8-18.8 
10 
4 
6 
Hid as specimens: 
41.5 
12.1 
6 
4 
5 
40.0 
13.3 
8 
5 
2 
Sagitta minima Grassi, 1881 
S. minima, Bieri, 1957 
Body small, transparent, with marked constriction at the tail-septum. Tail segment 16-24 
per cent of total length; hooks 5-8; anterior teeth 2-5; posterior teeth 3-11. Anterior fins not 
rayed, narrow, tapered, but rounded; removed from ventral ganglion. Posterior fins not 
reaching seminal vesicles. Caudal fin connected to seminal vesicles. No intestinal diverticula. 
Ovaries short; when mature, they appear to contain 3-5 large, round ova. 
BODY LENGTH 
IN MM. 
LENGTH OF TAIL 
SEGMENT (in °/o OF 
TOTAL BODY LENGTH) 
HOOKS 
ANTERIOR 
TEETH 
POSTERIOR 
TEETH 
Eastropic specimens: 
6.6 
18.3 
7 
4 
10 
5.8 
21.6 
7 
4 
8 
5.6 
20.7 
7 
4 
11 
5.5 
18.2-23.6 
7-8 
3-4 
9-11 
5.4 
19.4-23.6 
7-8 
4 
9-11 
5.3 
21.7 
8 
4 
11 
5.1 
23.5 
8 
5 
10-11 
4.9 
23.7 
7 
2 
9 
4.6 
23.9 
8 
5 
10-11 
Tokiokds specimens: 
7.1 
16.9 
5 
3 
4 
6.3 
20.6 
6 
3 
6 
