664 GLYPHONYCTERIS. TRACHYOPS. 



625. sylvestris (Glyphonycteris), Thomas, Ann. Mag. Nat. Hist., 



6th Ser., xvn, 1896, p. 302. 

 FOREST BAT. 



Type locality. Imravalles, Costa Rica. 



Genl. Char. Similar to Hemiderma perspicillatum, but smaller; 

 other characters those of the genus. 



Color. Above smoky gray; beneath whitish. 



Measurements. Head and body, 50; ear, 17; thumb, 9.2; middle 

 finger, metacarpal, 36; tibia, 15; foot, 10.6; calcar, 7.2. Skull: 

 greatest length, 19.7; greatest breadth, 9.6; basal length, 16; width of 

 muzzle over antorbital foramina, 5.7; interorbital constriction, 4.6; 

 from front of upper canines to back of upper third molar, 8. 



147. Trachyops. 



y 22. p I I. p 2-2. TIT 33 _ 



1.515; C-ini, -f-^, M. -34- 

 Trachops (sic) Gray, Proc. Zool. Soc., 1847, p. 14. Type Tra- 



chops! fuliginosis Gray = Vampyrus cirrhosus Spix. 

 Trachyops Peters, Monatsb. K. Preuss. Akad. Wiss. Berl., 1865, 



p. 512. 



Istiophorus (sic) Gray, Zool. Journ., n, 1825, p. 242. (nee 

 Lacepede, 1802, Ichthyology.) 



Nat. size. Enlarged 3 times. 



FIG. 139. TRACHYOPS CIRRHOSUS. 



ex Dobson, Cat. Chiroptera. 



Muzzle short, with numerous conical warts; nose-leaf narrow in 

 front, erect leaf well developed; ears large; a groove margined with 

 warts on lower lip and chin; interfemoral membrane extending 

 beyond the tail, which penetrates the surface. Skull has a vaulted 

 braincase, and is narrow between postorbital fossae; upper middle 



