28fi 



PARASITES OF THE DOMESTIC ANIMALS 



Fig. 151. — ffisophagostomum 

 radiatum; male at right, female 

 at left. * Vulva. x5. (After Ran- 

 som, Bull. No. 127, Bureau An. 

 Ind., U. S. Dept. Agr.). 



Fig. 152. — CEsophagostomum 

 radiatum. Enlarged anterior por- 

 tion of bodj% ventral view: c. a ., 

 annular groove surrounding cervical 

 inflation of cuticle; c. g., cervical 

 groove; c. i., cervical inflation; c. p., 

 cervical papilla; e. p., excretory pore; 

 es., esophagus; int., intestine; 1. m., 

 lateral membrane; m. c, mouth 

 collar; n. r., nerve ring. (After Ran- 

 som, Bull. No. 127, Bureau An. Ind., 

 U. S. Dept. Agr.). 



Fig. 153. — ffisophagostomum radiatum. Enlarged 

 bursa of male, viewed from left side: d., dorsal ray; 

 d. h., dorsal projection of trunk of lateral rays at base 

 of postero-lateral ray; e. d., externo-dorsal ray; e. 1., 

 externo-lateral ray; 1. t., trunk of lateral rays; 1. v., 

 latero-ventral ray; m. 1., medio-lateral ray; p. 1., postero- 

 lateral ray; t. d., terminal branch of dorsal ray; v. v., 

 ventro-ventral ray. (After Ransom, Bull. No 127, Bu- 

 reau An. Ind., U. S. Dept. Agr.). 



