1559 
Genus Bathylaco Goode and Bean 
Bathylaco GOODE and BEAN, Oceanic Ichth., 1895, p. 
57, Type Bathylaco nigricans GOODE and BEAN, 
* 
monotypic, 
» ♦ 
Body elongate, subcylindrleal. Head large, conic. 
Snout short. Eye large, greatly advanced. Maxillary very 
long, expanded. Mouth very large, oblique, wide, lower Jaw 
projecting. Teeth small, somewhat biserial in front above 
and uniserial behind; narrow band in mandible. Palatine 
* » * 
teeth also in narrow bands. Opercular bones thin, weak. 
Gill opening very wide, left membranes overlapping right and 
not attached to isthmus. Gill rakers few, short. Scales 
apparently absent. Dorsal origin postmedian, fin twice 
longer than anal. No adipose fin? Caudal forked. Pectoral 
small, low. Ventral moderate, inserted nearly opposite dor¬ 
sal origin, rays 8. 
