696 ARTIBEUS. 
FLAT-NOSED Bat. 
Type locality. Near Bahia, Brazil. 
Geogr. Distr. State of Guerrero, Mexico, to Brazil. Island of 
Grenada. 
Genl. Char. Ears shorter than the head; nose-leaf developed, 
anterior margin free; lower lip in front with three warts arranged 
in triangle, with eight or ten smaller ones on sides and beneath; wing 
Fig. CXXV. ARTIBEUS PLANIROSTRIS. 
No. 4874 Acad. Nat. Scien. Phil. Coll. 
membrane nearly naked; last molar very small, placed on inner pos- 
terior side of second molar; lower incisors very small. 
Color. General hue black tinged with gray, hairs whitish at base; 
white streak on each side of face from above the eye to crown. 
Measurements. Length of head and body, 81.2; forearm, 66.0; 
thumb, 15.2; third finger, metacarpal, 58.4; fourth finger, metacarpal, 
57; fifth finger, metacarpal, 58; tibia, 24; foot, 16.5; ear, 13.9; tragus, 
7. Skull: occipito-nasal length, 25; zygomatic breadth, 17; height 
of braincase at bulle, 11; interorbital constriction, 7; mastoid width, 
13.5; palatal length, 12; width of palate at last molars, 5.5; length of 
mandible, 16. 
657. watsoni (Artibeus), Thomas, Ann. Mag. Nat. Hist., 7th Ser., 
VII, IQOI, p. 542. 
WatTson’s Bat. 
Type locality. Bogaba, Chiriqui, Panama. Altitude, 1,000 feet. 
Geogr. Distr. Costa Rica, Central America. 
Genl. Char. ‘‘Nose-leaf similar to that of A. glaucus, but appar- 
ently rather narrower; ears higher and narrower than in that species, 
inner margin evenly convex, tip narrowly rounded, outer margin 
deeply concave in its upper half, then convex, ending below ina slightly 
angular antitragal lobe; tragus more sharply pointed than in A. 
glaucus, and the projections on the outer margin more prominent; 
teeth closely similar in their proportions to those of A. glaucus; 
posterior lower molar minute.”’ (Thomas, l. c.) 
