Dm III, 20, first, branched ray 1 2/3 in head; adipose fin 5 1/5; 
A. Ill, 15, first branched ray 2; caudal 1 1/10, forked; least depth of 
caudal peduncle 2 2/5; pectoral 1 3/5; ventral 2« 
Length 100 mm. (Richardson.) 
North Atlantic. 
Atlantic Ocean. Taaning gives 6 or 7 supracaudal luminous bodies 
and as many infracaudals, luminous scale below lower subpectoral, 1 or 
2 between ventral fin and supraventral photophore, 1 before anteroaenals, 
on back 2 longitudinal rows of about 25 scales and laterally above fore¬ 
part of lateral line 10, below posterolaterals 2 and 2 in aupraanal series 
Lampanyctu s castaneus (Goode and Bean) 
Nctoscopelus castaneus GOODE and BEAN, Oceanic Ichth., 1895, p. 85, 
pi. 25, fig. 95. N. 39°57» W. 70°37», 192 fathoms; Gloucester 
Donations. 
Macrostoma castaneum JORDAN and EVERMANN, Bull. U. S. Nat. Mus., 
No. 47, pt. 1, 1896, p. 556 (compiled). 
* 
Mgctophum ( Lampanyctus ) castaneus 3RAUER, Deutsch. Tiefsee Exp. 
Valdivia, vol. 15, Tiefsee-Fische, 1906, p. 166 (diagnosis in key). 
Lamflanyctus castaneus PARR, Bull. Bingham Oceanogr. Collection, vol. 3 
art. .3, 1928, p. 81 (note); Proc. U. S* Nat. Mus., vol. 76, 1929, 
p. 14 (type). 
