266 



ON THE NEMATODE FAMILY GNATHOSTOMID^. 



in shape, when viewed from the dorsal or ventral edge, than 

 those of T. tiara. Some of the worms were received, in spirit, 



Text-fio-ure 18. 











i 









Tanqua anomala. Anterior end ; lateral view. 



Text-fiffure 19. 



Tanqua anomala. Tail of male; ventral view. 



still firmly attached by the lips to the stomach-wall of the host, 

 and it required a considerable pull to remove them. 



