490 
corophiidje. 
A MPHIP OB A . P ODOCERIBES. 
NATATORTA. 
Specific character. Propodos of tlie first pair of gnathopoda having the 
palm minutely crenulated ; propodos of the second pair of gnathopoda having 
the palm concave and ornately pectinated. 
Length 2 S S inch. 
Dryope crenatipahna. Spence Bate, Cat. Amph. Brit. Mus. p. 277, 
pi. xlvii. fig. 2. 
The head of this species has a slight point produced 
between the superior antennae. The eyes are round 
and situated at the extreme anterior angles of the head. 
The superior antennae are about half the length of the 
animal ; the flagellum is as long as the second and third 
joints of the peduncle. The inferior antennae are shorter 
than the superior ; the peduncle being as long as 
the peduncle of the superior ; the flagellum is not 
longer than the last joint of the peduncle. The first 
