1907.] 



IN THE SOCIETY S MENAGERIE. 



171 



desertorum) in which the disease, obviously not very recent, affected 

 only the air-sac and the lung of the right side, there having been 

 no extension of the parasite by continuity or by infection of the 

 blood or lymph stream. 



Cardiac Failure. — It has been noted in the case of Ostriches, 

 Rheas, and Cassowaries, as well as some of the larger Storks kept 



Text-fiff. 61. 



Aorta of Tiger, showing: several aneur3-sms. 



in the Gardens, that theii- hearts after death are usually extremely 

 flabby, while the subpericardial fat may be replaced by a loose- 



