463 
Benthenchelys new genus 
Type Benthenchelys cartieri new species. 
Body moderately long, compressed, little less than 
twice in tail. Head small, compressed. Snout, short, ob¬ 
tuse. Eye large, advanced before first third in head. 
Mouth cleft short, not extending beyond eye, lower jaw 
included in upper. Teeth small, uniserial, rather few 
and small patch at front of upper jaw. Nostrils lateral 
on snout, front one near first third in snout length, hind 
one nearly 3 times as large and close before eye. Gill 
openings little inclined from vertical, close before and 
partly below pectoral base. Lateral line axial. Vertical 
fins confluent, rather high, dorsal extending but little 
on trunk. Pectoral placed lower half of body depth. 
Diagnosis. Differs from Derichthys in its entirely 
different physiognomy, without a contracted neck, the gill 
openings lateral and close before pectoral base, dorsal 
extended very little on trunk and pectoral short and round 
ed. 
(Bev9os, of the depths; EyxeXus, eel.) 
