210 



STRONGYLUS FILARIA, Rud. 



Plate XXXIV. 



Fig, 1. Adult female, X^i: a, head; &, vulva. 



Fig. 2. Adult male, x3: a, head; b, bursa and spicula. The dark line in Figs. 1 



and 2 is the iutestiue. 

 Fig. 3. Cephalic end : a, month ; b, oesophagus ; c, intestine ; d, unicellular glands. 

 Fig. 4. Middle portion of female : a, vulva ; b, vagina ; c, c, uteri with developing 



eggs- 

 Fig. 5. Piece of skin showing striaj. 

 Fig. 6. Spicula: a, the fenestrated chitinous cylinders ; Z>, the bulb like enlargement 



of the surrounding membrane. 

 Fig. 7. Caudal end of female : «, anus ; b, b, intestine ; c, loop of the caudal uterus . 



d, ovary. 

 Fig. 8. Caudal end of male, ventral view : a, intestines ; &, seminal reservoii ; c, the 



torn edges of the spread bursa ; d, ventral costae ; e, ventro-lateral ; /, 



lateral ; g, dorso-lateral ; h, dorsal ; i, spicula. 

 Fig. 9. The same lateral view. 



Fig. 10. a, female, natural size ; b, male, natural size. 



Fig. 11. Eggs showing various stages of development of embryo in the following 

 order : a, b, c, d; e, embryo escaped from shell. 



