1936 
Catablemella EIGENMANN and EIGENMANN, Proc. California Acad. 3ci», 
ser. 2, vol. 3, 1890, p. 24. Type Nannobrachlum brachychir 
EIGENMANN and EIGENMANN, orthotypic. 
Nyctimaster JORDAN, Proc. Tj. s. Nat. Mus., vol. 59, 1922, p. 645, 
fig# 2* Type Lampanyctua jordani GILBERT, orthotypic. 
Maxillary only slightly expanded posteriorly. Mouth cleft extends 
far behind hind eye edge. Antorbital luminous organs not prominently 
enlarged. Fourth pectoral photophore sometimes elevated. Subpectoral 
photophores 2, usually well inclined, often in vertical line, rarely form 
straight series with first pectoral photophore; lower subpectoral often 
posterior to upper. Suprapectoral photophore always dorsal to pectoral 
fin. Anal photophores always in 2 groups. Posterolateral photophores 2. 
All photophores without black dividing septa. Luminous scales supra- 
caudal and infracaudal, also sometimes elsewhere on body. Precaudal 
photophores separate or contiguous with posteroanals, when separate as 
3 to 6 or usually 3 or 4. 
The following are insufficiently developed or described to be placed 
among the accepted species: 
Nyctimaster reinhardti JORDAN, 1922. Founded on damaged specimens. 
Lampanyctu3 reinhardti REGAN, 1916, Based on young. 
The following are all small and imperfectly preserved specimens which 
are unidentifiable other than as belonging to Lampanyctu3. 
