WORMS FROM MAMMALS ANU ]iIRDS. 



503 



Cuticle transversely ringed. (Esopliagiis not divided into two 

 regions, nai-row anteriorly, increasing in width gradually behind 

 tlie nerve-ring, the latter O'S mm. from the oral end. 



Trident 0-25 mm. long, its anterior stem truncated. 



Text-ligure 11. 



va. 



DipIofriiTj/a flaheUata (v. Linst.). 

 Lateral view of anterior extremity of female, X 120. 

 Lettering as in the preceding text-tigures. 



Female 44 mm. in length, with a maximum thickness of about 

 1 mm. Caudal exti-emity rounded, broader than tlie head. 

 Position of anus not ascertained. 



Vulva prominent, 0*6 mm. from the anterior extremity; the 

 thick muscular vagina has a length of 2 mm. 



Oviparous. Eggs thick-shelled, 0-04-0-04.5 mm. x 0*25 mnu 



Incert.^: sedis. 



FiLARIA ARAMIDIS, Sp. n. 



A single specimen of this species was obtained from the leg- 

 nniscles of the Cayenne Rail, Araviides cayennensis. In the 

 absence of the male it is impossible to place the form in its 



