RUSTACEA COPEPODA 



Fam. 6. Chondracanthidae. These Copepods infest the gills 



Ant.1. 



FIG. 40. Jiomnloclms, sp. (Bomo- 

 lochidae), x 8. Abd.l, 1st abdo- 

 minal segment ; Ant.l, Ant.2, 

 1st and 2nd antennae ; Mx.l, 

 Mx.2, 1st and 2nd maxillae ; Mxp, 

 maxillipede ; Th.l, 1st thoracic 

 appendage. (After Gerstaecker. ) 



and even the mouth of various marine fish, such as the Gurnard, 



Plaice, Skate, Sole, and many others. ,Ani.t 



The sexual dimorphism is very marked, f}' 



the female being large, indistinctly 



segmented, and with \irregular paired 



processes protruding from the sides of 



the body, giving the animal a mon- 



Th.l 



FIG. 41. Chondracanthns zei, 9, x 4. 



Fio. 42. Dwarf male of Lernen- 

 tmna cornuta (Chondracan- 

 thidae), x 10. Ant.l, Ant.2, 

 1st and 2nd antennae ; T/i.l, 

 1st thoracic segment. (After 

 Gerstaecker. ) 



strous form (Fig. 41) ; while the male (Fig. 42) is very small, has a 



