830 



ME. F. E. BEDDABD ON TSB 



[Dec. 3, 



membrane in which run blood-vessels &c. From about the region 

 where the two aortse join, at the anterior end of the kidneys, there 

 appeared to be no layer covering the muscles other than the first- 

 described membrane. 



The accompanving drawing (fig. 1) illustrates the lungs and 

 the diaphragmatic membrane as seen from the intei'ior of the 

 body. It will be observed that the lung is bifid and that it is 



Fig. 1. 



Pipa surinamensis. 

 General view of abdominal viscera. 



H., heart; L, lung; (Es., cssophagus; St., stomach; m, mxisoulus 

 pulmonum proprius. 



firmly attached to the membrane except in two regions ; the 

 smaller lobe is not so attached, and the main lobe is free for about 

 the last three quarters of an inch of its length. The drawing will 

 also partly explain why I have used the expression " diaphragm " 

 in describing the strong sheet of peritoneum which is so readily 

 detachable from the parietes. It will be noticed that narrow 



