Explanation of Plate XXVII. 



Fig. 1. Atalajyha noveboraceusis Lauging by hind feet. The hairy interfemoral 



membrane is bent forward by the flexure of the tail. After a sketch from i(( 



life by M. Duges. 



Fig. 2. Head of Atalapha noveboracensis, showing the protruding snout. After a 

 sketch from life by M. Dug^s. 



Fig, 3. Front view of head oi Atalapha tcliotis. 



Fig. 4. Skull seen from above, x 2. 



Fig. 5. Skull and lower jaw seen from the side, x 2. 



