2182 
Diaphus brachycephalu s Taaning 
Diaphus braehycephalus TAANING, Vidensk. Medd. Dansk Naturh. Foren. 
Kobenhavn, vol. 86, 1928, p. 59. North Atlantic (diagnosis in key). 
Dorso-nasal luminous organ separated from ventro-nasal (auborbital) 
luminous organ; 2 auborbital luminous organs, posterior behind hind edge of 
lens, anterior organ reaching nostril; photophores large, .intervals between 
small; anals 4 or 5 f 4; third supraanal and posterolateral placed low, 
about equidistant from lateral line and ventral row of photophores. Supra- 
pectoral spot without luminous scale. 
D. 13 or 14; A. 13 or 14. (Taaning.) 
North Atlantic. Form short. 
Diaphus^longleyi new species 
Depth 3 1/4; head 2 3/5, width 2 l/4. Snout 7 2/3 in head; eye 3, 
greater than snout or interorbital; maxillary extends well beyond eye 
though not quite to slightly inclined hind premaxillary edge, slender, 
length 1 2/5 in head; interorbital 3 7/8, moderately high and convex. 
Gill rakers 10 4- 13, lanceolate, uppermost 3 rudimentary, others 1 2/3 
in eye or twice gill filaments. 
Scales 29 in lateral line to caudal base and 2 more on latter, little 
enlarged; 3 ? above, 3 below, 10 ? pradorsal to occiput. Rather large 
pointed scale in ventral fin axil 1/3 of fin. Few small scales on caudal 
base. 
