248 



DR. KNUD ANDERSEN ON BATS. 



[Apr. 7, 



A. jamaicensis subject to considerable modification dependent on 

 the age of the individuals ; one of these modifications has served as 

 type for the description of a distinct species (J. A. Allen's^, inter- 

 niedius). The text-figures below show, approximately, the two 



Text-fig. 50. 



Artihens oamaicensis palmartim, ? ad. Macuto, Venezuela, July 14, 1900. 

 U.S. N. M. 102845. 



A. Lateral, B. Upper view of skull. X |. 

 Text-fig. 51. 



Artileus jamaicensis pal marum, $ ad. Macuto, Venezuela, July 14, 1900. 

 U.S. N. M. 102843. 



A. Lateral, B. Upper view of skull. X |. 



extremes in the shape of the skull in adult individuals (in some 

 skulls examined the old age modification is carried still a little 



