PHYLLONYCTERIS. 



RHITHRONYCTERIS. 



687 



Color. Above light brownish yellow ; sides of neck and body paler ; 

 base and tips of hairs whitish; under parts paler. 



Measurements. Total length, 92.7; tail, 10.1; forearm, 40.5; 

 thumb, 12.7; third finger, 78.7; fourth finger, 60.9; fifth finger, 62.2; 

 tibia, 24; foot, 16.5; ear, 17.7; tragus, 7.6. Skull: total length, 23.5; 

 zygomatic width, n; interorbital width, 5; height of braincase at 

 bullae, 9.5; mastoid breadth, n; palatal length, 10; length of upper 

 molar series, 7; length of mandible, 15. 



158. Rhithroiiycteris. 



Reithronycteris (sic) Miller, Proc. Acad. Nat. Scien. Phil., 1898, 



P- 333- Type Rheithronycteris! aphylla Miller. 

 Ears small, separate; tongue abruptly narrowed at tip; papillae 

 short, stiff; tail long as femur. Skull: roof of posterior nares formed 

 by two longitudinal folds proceeding from pterygoids and nearly 

 meeting in the median line; calcar absent; nostrils placed in a disk- 

 shaped elevation without a true leaf. Rostrum heavy; lower jaw 

 heavy, (ex Miller, 1. c.) 



FIG. 148. RHITHRONYCTERIS APHYLLA. 

 ex Proc. Acad. Nat. Sci. Phil. About i'i times nat. size. 



