THE PERFORATION OF A VEIN BY AX ARTERY 

 IN THE CAT {FEUS DOME STIC A). 



ARTHUR W. WEYSSE. 



In a cat which was being dissected in mv laboratory a few- 

 months ago, I noticed an artery passing through an opening in a 

 vein, and as further dissection showed the details of this abnor- 

 mality to be somewhat different from any similar condition which 

 I have found recorded it seemed well to publish the following 

 figure and description. 



The cat was an adult female ; the circulatory system had been 



injected with an ordinary starch injecting mass, the veins with 

 blue and the arteries with red. For the sake of added clearness 

 in the diagram the horns of the uterus were dissected free from 

 the body-wall and together with the urinary bladder were laid 



