120 
the beginning of the last third of the length. Short adipose 
fin slightly behind the vertical through end of anal. Pectorals 
far below middle of height, below posterior part of operculum, 
not reaching the ventrals, which originate before the middle 
of the body and before the dorsal and do not reach the anal. 
Fig. 44. Vinciguerria lucetia (Garm.) (After Zugmayer). 
Caudal long, deeply forked. Anus slightly before anal. In the 
jaws a series of small unequal teeth, slightly increasing in size 
before backward. 4—5 in a series on the palatines, scales thin, 
cycloid. Luminous organs: 2 suborbital organs, an anterior 
entirely black one, below the interspace between nostril and 
eye, the other below the backportion of the orbit. 3 oper- 
culars, 2 above each other at the praeopercular margin: a 
posterior behind the lower anterior, one on each side behind 
the symphysis, 8—g: between branchiostegal rays. A ventral 
series of 2I—23 between isthmus and ventrals, of 8—10 be- 
tween ventrals and anal and of 12—13 between origin of 
anal and caudal of which the 6 or 7 posterior are situated 
behind the anal. In the lateral series 11—13 between operculum 
and the vertical through the ventrals, from here to the vertical 
through origin of anal 5—9. Blackish above, sides of head and 
body silvery. A black spot at the end of the tail and some 
short black transverse stripes on back. Length 50 mm. 
Habitat: Molucco Passage (1500 M.)!. — Indic to New 
Amsterdam. Pacific, West coast of Mexico and Central America. 
Atlantic: Gulf of Guinea. 
8. Gonostoma Rafinesque 
(Rafinesque, Ind. Ittiol. Sicil. 1810, p. 64). 
Elongate, compressed. Scales none or large but excessively 
thin, more or less concealed by the skin and only slightly 
evident. Eye about equal to snout. A complete ventral and 
