2015 
D* III, 10, I, first branched ray 1 1/4 in head; adipose fin 
3 1/2 to 4 2/5; A. Ill, 11, I, first branched ray 2 1/10; caudal 
1 1/6?, well forked; least depth of caudal peduncle 3 1/4 to 3 1/2; 
ventral 2?; pectoral 3 1/8? in combined head and body to caudal base. 
Brown. Iris pale. Fins all paler than body or whitish. Inside 
gill opening dusky. 
Atlantic, Pacific and Antarctic Oceans. According to Parr the 
anal is furnished with 3 large basal luminous plates, usually 3 or 4 
smaller on dorsal base, 1 or 2 minute plates also before adipose fin 
and latter basally with high luminous plate; 5 supracaudal spine- 
supported luminous glands; 5 to 7 small flat infracaudal luminous scales 
behind anal fin, with 7 or 8 spine supported luminous glands at front 
edge of caudal. 
43777 U. S. N. M. Gloucester Fleet (199). Length 48 mm. Type of 
Lampanyctus guntheri . 
86128 U. S. N. M. Gulf of Mexico. Grampus Collection (10482). 
March 22, 1917. Length 49 ram. 
89909 U. S. N. M. N. 33° 
Station 322. 
Length 65 
W. 64°. Museum of Comparative Zoology. 
Caudal longer than head or 2 4/5 in 
combined head and trunk to caudal base; pectoral 2 2/5. 
