Smithsonian Report. 1936. — Ditmars and Greenhall 



Plate 4 



1. Vampire hiil. Desmodus rotundus murinus Wagner. The beginning of a nightly meal of defibrinated 

 blood. The contents of the dish was consumed in slightly more than 20 minutes, being lapped up by the 

 tongue. 



2. Completion of the meal, showing spherical distension of the body. The action of the tongue is shown. 



3. Prejiaring to leap upward for flight; this is preceded by a slight bending of the limbs. 



