142 



ROUNDWORMS. PHYLUM NEMATODA 



h.cav. 



Fi 



(.. lyt^.—Rhabditis.' 



-From Borradaile and Potts, The Invertehrata, 2nd edition, 

 1935. Cambridge University Press. 



Mature female ; B, mature male ; C, ventral view of hind end of male, slightly turned to one side ; 

 D, side view of hind end of male ; E, encysted larva ; an., anus ; b.cav., buccal cavity ; c.b., copulatory 



cl., cloaca ; cut., stretched skin of the last larval moult ; ex.a., 

 /.?., fore-Rut ; jg/.c, gland cells ; h.g., hind-gut ; ni.g., mid-gut ; n.c, nerve collar; 

 ■^'s fertihsed and in 2-cell stage ; ov.. ovary ; p.v., pharynx ; rec. 

 ; ut., uterus ; va., vagina ; vd., vas deferens. 



bur 

 ext 

 0.. 



- *■ , ropulatory spicule 

 'jrture 



