72 RUSTACEA——COPEPODA CHAP. 
Fam. 6. Chondracanthidae.—These Copepods infest the gills 
Fic. 40.—Bomolochus, sp. (Bomo- 
lochidae), x 8. <Abd.1, 1st abdo- 
minal segment; Ant.7, Ant.2, 
Ist and 2nd antennae; Mz./, 
Mz.2, 1st and 2nd maxillae ; Map, 
maxillipede ; Zh.Z, 1st thoracic 
appendage. (After Gerstaecker.) 
and even the mouth of various marine fish, such as the Gurnard, 
Plaice, Skate, Sole, and many others. _Ant 1. 
The sexual dimorphism is very marked, ; 
the female being large, indistinctly 
segmented, and with irregular paired 
processes protruding from the sides of 
the body, giving the animal a mon- 
_--Ant.2, 
Fic. 42.—Dwarf male of Lernen- 
toma cornuta  (Chondracan- 
thidae), x 10. Ant.1, Ant.2, 
Ist and 2nd antennae; 7h.7/, 
Ist thoracie- segment. (After 
Fic. 41.—Chondracanthus zei, 9, x 4. Gerstaecker. ) 
strous form (Fig. 41); while the male (Fig. 42) is very small, has a 
