APRIL, 1914. MAMMALS OF NORTHERN PERU OSGOOD 177 



Noctilio albiventer Spix. COMMON NOCTILIO. 



One specimen, Yurimaguas. 



This is a dull brownish specimen with the under parts only slightly 

 lighter-colored than the back. In size, it scarcely equals ordinary 

 specimens of albiventer from Brazil and it is considerably smaller than 

 the size given for N. zaparo, the type of which came from the Napo 

 River in Ecuador not far north of Yurimaguas. 



Qlossophaga soricina (Pallas). COMMON GLOSSOPHAGA. 



Sixteen specimens, all from Moyobamba. 



These were mostly brought to us by small boys who found them 

 roosting under the thatch of the village houses. They are essentially 

 like specimens from eastern Brazil. 



Qlossophag-a soricina valens Miller. PERUVIAN GLOSSOPHAGA. 



Glossophaga soricina valens Miller, Proc. U. S. Nat. Mus. XLVI, 

 p. 420, Dec. 31, 1913 Type from Balsas, Peru. 



Twenty-nine specimens, Balsas. 



Although not seen elsewhere in western Peru, Glossophagas were 

 found in great abundance at Balsas roosting under the roof of a church. 

 The building was large and barnlike, simply constructed of rough 

 masonry walls and roofed with small poles which were overlaid with 

 thatch. The interior formed a single rectangular room about 60 ft. 

 long by 25 ft. wide with a raised altar at one end and a plain earth floor 

 extending thence to the door. There were no windows and when the 

 large door was closed only a limited amount of light was admitted 

 through the space between the eaves and the top of the walls. Some- 

 what to my surprise, requests for the key to the church and permission 

 to shoot in it in the absence of the priest were readily granted and about 

 half the small population of Balsas accompanied us to watch the pro- 

 ceedings. On opening the door, the light streamed in and the roof was 

 seen to be literally covered with bats which immediately began squeak- 

 ing and shifting their positions. At the first shot, a cloud of them flut- 

 tered about the room a moment and then mostly settled again, only a 

 few going outdoors under the eaves. After shooting into various parts 

 of the roof and carefully scrutinizing the remainder, it was evident 

 only one species was present. The total number, as estimated at the 

 time, was not less than 2,000. A larger series of specimens might have 

 been obtained, but some of the people that followed us took advantage 



