CERAPUS ABDITUS. 
455 
A MPIIIP OB A . P OBO OE RIDES, 
NATATORIA. 
Specific character. Eyes transversely ovate. Antennae subequal. Epi- 
stoma produced to a point. Second pair of gnatliopoda having the subapical 
process of the carpus double -pointed. 
Length about \ inch. 
Cerapus abditus. Templeton, Trans. Ent. Soc. i. p. 188, pi. xx. fig. 5. 
Spence Bate, Cat. Amph. Brit. Mus. p. 263, 
pi. xlv. fig. 2. 
Cerapodina abditus. Milne Edwards, Hist, des Crust, t. iii. p. 62. 
Ericthonius difformis. Spence Bate, Ann. Nat. Hist. 2 ser. xix. p. 149. 
White, Hist. Brit. Crust, p. 196 (not Edwards). 
The eyes are oval, placed longitudinally in the head, 
and red in colour.* The superior antennae (broken off 
in the specimen drawn above) are about the same length 
as the inferior. The epistoma projects anteriorly in the 
* Templeton gives the colour of the eyes of his specimen as black, with a 
pale encircling ring. 
