Species 0/ Mouliysteia {Nematodes). 



419 



somewhat taperino: ; it is never blunt and square liice that of 

 some individuals o£ the former species. A pair of lateral 



Fi?. 4. 



-Oes. 



Fi-. 5. 



Fi-. 6. 



0^^.- 



-/nt.. 



A.P- 



Fig-. 4. — Monhystern carciyiicoJa : hermaplirodite form from Cardisoma 



(juanhumi. Lateral view, much magnified. 



^., amis; i)., bulb of oesophagus; 7«^., chyle-intestine ; Oes., oesophao-us • 



Ov., ovary ; T., testis. 



Fig. 5. — Monhystcra carcinicola : head-end, very highly magnified. 

 Ch., chitiuous rod in wall of mouth-cavity ; L., lateral organ. 



Fig. 6. — Monhystcra carcinicola : tail-end of hermaphrodite foim from 



Cardisoma yuanhumi, highly magnified. 



A., anus ; A.!"., accessory piece ; C'.6-'., caudal glands j P., papillaj ; 



S., spicides. 



organs (fig. 5, L.) is always distinctly visible close to the 

 head-end ; they arc small and of circular form. 



