2219 
Piaph us lucidus (Goode and Bean) 
Aethoprora lucida GOODE and BEAN, Oceanic Ichth., 1895, p. 87, 
pi. 27, fig. 102. N. 19°45 f W. 75°4», 1639 fathoms. 
Myctophum ( Nyctophus ) lucidum BRAUER, 2ool. Anzeiger, vol. 28, 
Nr. 10, Dec. 20, 1904, p. 393 (diagnosis in key). 
Myctophum ( Piaphus ) lucidum BRAUER, Peutsch. Tiefsee Exp. Valdivia , 
vol. 15, Tiefsee-Fisohe, 1906, p. 164 (diagnosis in key). 
Piaphus lucidus TAANING, Vidensk. Medd. Dansk Naturh. Boren. Kobenhavn, 
vol. 86, 1928, p. 62 (North Atlantic; diagnosis in key). —PARR, 
' - - r . » 
Bull. Bingham Oceanogr. Collection, vol. 3, art. 3, Dec. 1928, 
p. (121) 141, fig. 31 (N. 23° to 24° W. 76° to 77°, 4000 to 8000 
feet); Proc. U. S. Nat. Mus., vol. 76, 1929, p. 44 (type). 
Depth 4 1/8; head 3 3/5, width 1 4/5. Snout 8 4/5 in head; eye 4 1/5, 
greater than snout, 1 l/3 in interorbital; maxillary extends 1 1/3 eye 
diameters behind eye though not quite to inclined hind preopercle edge, 
slender, length 1 l/3 in head; interorbital 3 3/4, convex. Gill rakers 
5 *• 12, lanceolate, slender, 1 1/2 in eye, equal gill filaments. 
