908 



MR. G. M. VEVERS ON NEMATODA FROM MAMMALS 



Female. — Measures 20-24 mm. in length by "7 ram. in breadth. 

 The tail tapers sharply and ends in a blunt point, near the end 

 of which are situated two small laterally placed papillae. The 

 anus is 300 ^ fi-om the tip of the tail. 



The vulva is situated just behind the middle of the body. 



Text-figure 5. 



Troglostrongylus troglostrongyhis, gen. ii., sp. ii. 



a. Caudal extremity of male. Lateral view. 

 h. Caudal extremity of male. Ventral view. 



c. Egg. X 200. 



d. Caudal extremity of female. 



e. Head of female. Lateral view, showing excretory pore. 



The eggs contain a living embryo at birth, and hatching takes 

 place almost immediatel}^, embryos being found in the naso- 

 pharynx, lungs, cesophagus, stomach, and intestines. The eggs 

 measure 87 /a, by 70 //,. Embryos found in the nasopharynx 

 measured 240 ju. 



