PLATE I 



Copyright 1920 

 American Veterinary Pub. Co. 



Cross Section of the Pelvic and Extreme Posterior Portion of the Peritoneal Cavity 

 of a Cryptorchid Horse. Structures Shown have been Emljalmed in Situ. 



1. Te.stiele. 2. Tail of epidirlymi.?. 3. Fat tis.sue at posterior end of te.sticle. 4. Gubernaculum 

 te.stis. a. Mesorehiuni. 6. Urinary Ijlaiider. 7. Rectuin. S. Small colon. !). Me.sorectum. 10. 

 Vaginal ring. 11. Plica iliictii.=^ ileferens. 12. Plica ductus va.sculosa. 13. Internal .spermatic 

 artery and \ein. 14. .\oi-|::i. 15. Vena ca\-a. 



