CHILONYCTERIS. 643 



Color. Above light gray, base of fur dark; beneath lighter; throat 

 and abdomen yellowish; bare part of face reddish; wing membrane 

 blackish brown; bristles on nose white. 



Measurements. Total length, 76.7; tail vertebrae, 15.2; forearm, 

 52; longest finger, 88-90; thumb, 8-8.5; tibia, 20-21; foot, 12. Skull: 

 occipito-nasal length, 13; Hensel, 10; zygomatic width, 7; interor- 

 bital constriction, 3 ; palatal length, 5 ; height of braincase at bullae, 7 ; 

 length of upper molar series, 4. 



607. portoricensis (Chilonycteris) , Miller, Proc. Acad. Nat. Scien. 



Phil., 1902, p. 400. 

 PORTO RICAN BAT. 



Type locality. Cave near Pueblo Viejo, Island of Porto Rico. 



Genl. Char. Similar to C. boothi; ears smaller. . 



Color. Above dark brown; beneath broccoli brown washed with 

 ecru drab; ears and membranes blackish brown. 



Measurements. Total length, 92: tail, 22; forearm, 51.4; thumb, 

 8; second finger, 42; third finger, 85; fourth finger, 58; fifth finger, 58; 

 tibia, 1 8. 8; foot, 10; ear from meatus, 20. Skull: greatest length, 20; 

 basal length, 18.6; interorbital constriction, 4; lachrymal breadth, 

 7.4; zygomatic breadth, n; mandible, 15; maxillary tooth row, 8.8; 

 mandibular tooth row, 9. 



608. rubiginosa (Chilonycteris), Wagn., in Wiegm., Archiv. fur 



Naturg., ix, bd. i, 1843, p. 367. 

 DARK BROWN BAT. 



Type locality. Caicara, Brazil. 



Geogr. Distr. States of Vera Cruz and Michoacan, Mexico, south 

 to Brazil. 



Genl. Char. Pelage thin; ear naked, inner margin of conch con- 

 vex, outer side emarginate; cutaneous process on muzzle only slightly 

 elevated, with a low ridge placed at right angles; inner incisors trifid, 

 outer bifid. 



Color. Above dark brown, beneath pale grayish brown; ears and 

 membranes pale brown; wing and interfemoral membranes edged 

 with whitish; ears at base whitish. 



Measurements. Total length, 91.7; tail vertebras, 25.4; thumb, 

 6.3; forearm, 12.2; third finger, metacarpal, 50.8; fourth finger, meta- 

 carpal, 50.8; fifth finger, metacarpal, 48.2; tibia, 20.3; foot, 11.4; 

 ear, 23.5; tragus, 7.6. Skull: greatest length, 22; basilar length, 19; 

 interorbital constriction, 4.4; lachrymal breadth, 8.6; zygomatic 

 breadth, 13; mandible, 17; maxillary tooth row, 10; mandibular 

 tooth row, ii. 



