72 



RUSTACEA COPEPODA 



Fam. 6. Chondracanthidae. — These Copepods infest the gills 



-Jbd I 



Fill. 40. — Bmnnlnchnu, sp. (Bomo- 

 locliiiiae), X 8. Ahd.l, 1st abdo- 

 niinal segment ; Ant.l, Ant.S, 

 1st and 2nd antennae ; Mx.l, 

 M:c.2, 1st and 2nd maxillae ; Mo:p, 

 maxillipede ; Th.l, 1st thoracic 

 appendage. (After Gerstaecker.) 



^^Anl.Z. 



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



Plaice, Skate, Sole, and many others. _,Ant.i. 



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- 



Th.i- 



Fig. 41. — Chondracantlius zei, 9 , x 4. 



Fig. 42. — Dwarf male of Lernen- 

 toma cornuia (Chondracan- 

 tliidae), x 10. Ant.l, Ant.S, 

 1st and 2nd antennae ; Th.l, 

 1st thoracic segment. (After 

 Gerstaecker. ) 



strous form (Fig. 41) ; while the male (Fig. 4:^) is very small, has a 



