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 vertebra, 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 bulle, 7; 
length of upper molar series, 4. 
607. portoricensis (Chilonycteris), Miller, Proc. Acad. Nat. Scien. 
Phil., 1902, p. 400. 
Porto Rican Bart. 
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 
écru 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, 18.8; foot, 10; ear from meatus, 20. Skull: greatest length, 20; 
basal length, 18.6; interorbital constriction, 4; lachrymal breadth, 
7.4; zygomatic breadth, 11; mandible, 15; maxillary tooth row, 8.8; 
mandibular tooth row, 9. 
608. rubiginosa (Chilonycteris), Wagn., in Wiegm., Archiv. fur 
Nature., x, bd. 1, 1843, p. 367. 
Dark Brown Bart. 
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 vertebra, 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; 1006) EIAs 
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, rt. 
