236 
PROCEEDINGS OF THE NATIONAL MUSEUM. 
Body very long, the head much shorter than the distance between 
nape and insertion of dorsal; upper contour of head evenly rounded, 
the back not much elevated; caudal peduncle somewhat compressed, 
its depth 3| in head, its length about equal to that of head. Eye 
rather small, aliout 2f in snout. Interor})ital space slightly convex, the 
distance between eyes -ii times their longitudinal diameter. Nostrils 
Fig. 1. — Spheroides stictonotus (Nagasaki). 
separate, located almost transversely on an oval elevation a little 
larger than pupil. Teeth bluntly pointed in front; the cutting edges 
concave, the groove between the teeth scarcely perceptible; ridges on 
either side of groove not prominent; upper and lower teeth of about 
the same width. Inner or secondary flap at gill-opening protruding. 
Lines of mucous pores on body like those of S. rt/lrijje.s. Lateral 
Fig. 2. — Spheroides stictonotiis (Hakortate). 
fold evident, though not very prominent. Skin with small prickles, 
those on the upper anterior parts completely embedded; snout, sides 
of head, chin, upper and lower parts of caudal peduncle, and a narrow 
area along side of body naked. 
Dorsal inserted a little in advance of anterior rays of anal; lioth fins 
falcate, of about equal height. If in head, the anterior rays shortened. 
