5) 
Very close to the Pempheride is the small family of Bathy- 
cluperd@. ‘These are herring-like fishes, much compressed and 
Cavallas and Pampanos 
Giran, Formosa. 
Fic. 395 —Pempheris nyctereutes Jordan & Evermann. 
There are but one or two dorsal 
with a duct to the air-bladder. 
The ventrals are of one spine and five rays as in perch, 
like fishes, but placed behind the pectoral fins. 
spines. 
This feature- 
Alcock, the 
due to the shortening of the belly, is regarded by 
discoverer, as a result of degeneration, 
and the family was 
—The Louvar, Luvarus imperialis Rafinesque. 
Luvaride. 
‘amily 
EF 
Fig. 396 
(After Day.) 
The persistent air-duct 
placed by him among the herrings. 
formed ventrals 
If we trust the indications of the skeleton, 
ally 
excludes it from the Percesoces, the norm 
from the Berycoidet. 
