270 ZOOLOGY 
female may be half an inch long; the body is flattened, and 
has lost most signs of segmentation, it is produced laterally 
into two folds, which have a crimped or frilled appearance ; pos- 
Fie. 160.—Chondracanthus gibbosus. 
A, Female from under surface. 
. Antennae, hook-like, 
. Ist pair of legs. 
i 
2 
3, 2nd pair of legs. 
4, Males adherent to female. 
5 
. Egg bags. 
B. Male, more highly magnified. 
1, Antennules. 
. Antennae. 
. Mouth parts. 
. Ist pair of legs. 
. 2nd pair of legs. 
. Testis. 
. Vas deferens. 
aoanr om oO BP WO. ND 
. Spermatophore. 
teriorly it is produced into two long white filaments, the ovisacs. 
The head forms a kind of hood which bears antennules and 
antennae, the latter modified into strong hooks, by means of 
which the animal attaches itself to its host. The labrum 
which overhangs the mouth does not form a tube enclosing 
the mandibles, as is often the case in this group. The 
. 
