ALLEN : NOTES ON CHIROPTERA. 



41 



Artibeus jamaicensis Leach. 



A single skin of this species from Kingston, Jamaica, measures as follows : head 

 and body (collector's measurement), 86 ; ear, 18 ; forearm, 58 ; thumb, 14 ; 2d 

 digit, metacarpal, 44; 3d digit, metacarpal, 53; 1st phalanx, 16.5; 2d phalanx, 

 27 ; 4th digit, metacarpal, 53 ; 1st phalanx, 14 ; 2d phalanx and tip, 20 ; 5th 

 digit, metacarpal, 55; 1st phalanx, 11; 2d phalanx and tip, 16; foot, 16.5; 

 calcar, 7. 



The Jamaican Artibeus seems more nearly allied to those of the planirostris 

 group from its small size, indistinct facial stripes, and the minute grayish tipping 

 of the body hairs, and differs greatly in general appearance from the larger inter- 

 medins and palmarum in which the facial stripes are more clearly defined and the 

 frosting of grayish tips is absent. 



Artibeus lituratus (Lichtenstein). 



Mr. Oldfield Thomas (Ann. Mag. Nat. Hist., 1901, ser. 7, vol. 8, pp. 192, 441) 

 has revived Lichteustein's name for the large Artibeus of southern Brazil, but no 

 measurements seem available in recent literature. I have therefore included the 

 measurements of three adults, Nos. 188, 1277, 5004, taken at Rio Janeiro, Ma- 

 caco, and near Santarem, Brazil, respectively. These specimens, with four others 

 from Brazil, are preserved in alcohol. 



MEASUREMENTS OF ARTIBEUS LITURATUS. 



The skull of No. 5004 measures : greatest length, 31 ; basal length, 24.2 ; pala- 

 tal length, 15; interorbital constriction, 7 ; zygomatic breadth, 18.5; mastoid 

 breadth, 17; mandible, 21.5 ; maxillary tooth row (exclusive of incisors), 11; 

 mandibular tooth row (exclusive of incisors), 12; palatal width outside first 

 molar, 13.4. 



Artibeus intermedius J. A. Allen. 



Four skins and skulls of this bat have recently been received from Boruca, near 

 San Jose, Costa Rica (the type locality). These, with one exception, are adults 

 and agree in being uniformly broccoli brown or drab above, and nearly Prout's 



