192 



STRONGYLUS OVIS-PULMONALIS, Diesing. 

 Plate XXIX. 



Pig. 1. Cephalic end : a, cesopUagiis ; h, intestine. 



Fig. 2. Head with papillie. 



Fig. ;!. Caudal end of female: a, anus; 6, vulva; c, vagina;* rf, d, uteri; e, e, ovi- 

 ducts ; /, /, ova ; g, g, intestine. 



Fig. 4. Middle of female with tail of male coiled around her. 



Fig. 5. Spiculum: o, oyliadrical part of the skeletou; 6, spatulate ribbed part; c, 

 wing of tube: d, membranous tip. 



Fig. 6. Spicula as they fit together. 



Fig. 7. Adult male and female, X6. 



Fig. 8. Caudal end of male: a, spicula. 



Fig. 9. Male bursa with appressed costfB. 



Fig. 10. Male bursa with separated costsB and spicula in situ. 



Fig. 11. Caudal end of female, lettered as in Fig. 3, 



