416 



Mr. 11. A. Baylls on Two new 



Fiff. 1. 



Monhystera wilsoni, mature P . Lateral view, much magnified. 

 A., anus ; B., bulb of oesophagus ; C.G., caudal glands ; E., embryo free 

 in uterus; Itit., chyle-intestine; Oes., oesophagus; Ov., ovary; 

 v., vulva. 



Fiof. 2. 



I 



Monhystera wilsoni: head-end, very highly magnified, seen from the 



ventral side. 



