58 Latorre A New South American Bat. 



Skull. Similar to that of N. albiventer, but comparatively a little shorter 

 and broader. 



Measurements. (Type, in alcohol.) Head and body, 80 mm.; length of 

 ear, 18.5 ; greatest breadth of ear, 8.5 ; tragus, 4.4 ; forearm, 67 ; third fin 

 ger : metacarpal, 55; first phalanx, 14.3 ; second phalanx, 44 ; fourth finger: 

 metacarpal, 56.9 ; first phalanx, 9.4; second phalanx, 26; fifth finger: 

 metacarpal, 54; first phalanx, 11.5 ; second phalanx, 4; tail, 17; length of 

 uropatagium beyond the tail, 30.5 ; tibia, 24; foot, 18; calear, 35. Skull: 

 Length from front of canines, 20.5 ; width at base of canines, 8.2 ; upper 

 toothrow, excepting incisor, 7.2. 



Remarks There are in the Madrid Museum, besides the type, two 

 mounted specimens, one of which (sex undetermined) has the forearm 70 

 mm. long. They were also collected on the Napo river by Dr. Timenez de 

 la Espada. The collector's note-book contains the following short note 

 about these bats : " They fly over the river, slightly touching the water 

 with the wings." 



