C. L. Boulenger 
347 
p. c. 
I 
Fig. 5. Setaria Hornbyi sp. n. Anterior extremity of female, x 55. 
Fig. 6. Setaria Hornbyi sp. n. A. Head in lateral view. B. Head in ventral view. 
C. Caudal extremity of female, x 220. 
Parasitology xn 
23 
