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, 11; interorbital width, 5; height of braincase at 
bulle, 9.5; mastoid breadth, 11; palatal length, 10; length of upper 
molar series, 7; length of mandible, rs. 
158. Rhithronycteris. 
[eee hee Pie Sei ag! 
ae prey 722? 
Reithronycteris (sic) Miller, Proc. Acad. Nat. Scien. Phil., 1898, 
p. 333. Type Kheithronycteris! aphylla Miller. 
Sars small, separate; tongue abruptly narrowed at tip; papille 
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.) 
Fic. 148. RHITHRONYCTERIS APHYLLA. 
ex Proc. Acad. Nat. Sci. Phil. About 1% times nat. size. 
