740 ON SOME TKEMATODK PARASITES. 



Fig. 6. — Transverse section of H. dasyuri through ovary, oviduct, and 

 Laurcr's canal;( x 110). 



Fig.7.— T.S., //. dasyuri {x 180). 



Fig.8.— T.S., H. da-syurrAxm). 



Fig. 9. — T.S., j/e/i/i'.-jja «f?/»?ii?(tt<a, showing ciliated vessel and supplemen- 

 tary vessel of the excretorj' sj'steni;( x 160). 



Fig. 10. — T.S., M. acuminata, showing the sinus round the sucker, as well 

 as a number of vessels of the netwoik, together with their opening 

 into the sinus;( x 40). 



Fig. 11. — T.S., M. orniLhorhynchi, showing the arrangement of the muscle 

 layers, the very large shell-gland, etc. ;( x 55). 



