314 PROCEEDINGS OF THE ACADEMY OF [1896. 



Since the above was written a paper has been published in the 

 Proceedings of the Zoological Society of London (1895, p. 702) by 

 Mr. G. W. Butler on the lungs of snakes, Amphisbsenidse, etc. Here 

 the fact of the suppression of the right lung in the Amphisbsenia is 

 pointed out. 



