EXCRETION BY THE KIDNEY. 



425 



Fio. 320.— Superior and general view of the genito-nrinary apparatus in the stallion 

 witft tlie arteries (Chanvean). A, left kidney; B, right kidney; a, 6, ureters; C, C, 

 suprarenal capsules; B, bladder; E, E, testicles; e, head of epididimis; e\ tail 

 of epididimis; F, deferent canal; G, pelvic dilatation of deferent canal; H, left 

 seminal vesicle; the right has been removed, along vpith the deferent canal of 



