NATALIS. 633 
Geogr. Distr. Island of Dominica, West Indies; Guatemala, Cen- 
tral America, to Brazil, South America. 
Genl. Char. Crown higher than face; nostrils oval, close together, 
opening downward; lower lip grooved in center, with naked cushion on 
each side; ears shorter than head; tragus broad at base, point acute. 
Color. Above light brownish yellow; beneath paler. 
Measurements. Total length, 94; tail, 49.5; forearm, 26.6; thumb, 
3.8; third finger metacarpal, 26; fourth finger, metacarpal, 31.7; 
hith finger, metacarpal, 31.7; tibia, 19; foot, 8.8; tragus, 4.5; ear, 
15.2. Skull: greatest length, 17; basal length, 15.6; median palatal 
length, 8.8; interorbital constriction, 3.2; zygomatic breadth, 9.6; 
breadth of braincase, 7.8; mandible, 13; maxillary tooth row, 7.8; 
mandibular tooth row, 7.8. 
a.—major (Natalus!), Miller, Proc. Acad. Nat. Scien. Phila., 1902, 
Pp. 398. 
GREAT Bat. 
Type locality. Savaneta, Island of Haiti. 
Genl. Char. Similar to N. stramineus, but larger. 
Color. Same as N. stramineus. 
Measurements. Total length, 110-116; tail vertebre, 61-63; fore- 
atm, 42-43; thumb, 6; second finger, 43-44; third finger, 80-82; 
fourth finger, 61-62; fifth finger, 57-58; tibia, 22.4-23; foot, 9—-9.8; 
ear from meatus, 15—-16.6; from crown, 12. Female is the larger. 
Skull: greatest length, 18; basal length, 16.4; palatal length, 9.8; 
breadth of rostrum at base of canines, 4.4; interorbital constriction, 
3.6; zygomatic breadth, 9.6; breadth of braincase, 9; mandible, 14; 
maxillary tooth row, 8; mandibular tooth row, 8.4. 
596. mexicanus (Natalus!), Miller, Proc. Acad. Nat. Scien. Phila., 
1902, p. 399. 
SANTA ANITA Bat. 
Type locality. Santa Anita, Lower California, Mexico. 
Genl. Char. Smaller than N. stramineus. Skull has a smaller 
braincase and a more tapering rostrum anteriorly. 
Color. Two color phases, a yellow and a brown. The former is 
a uniform ochraceous, slightly washed on the back with clay color; 
the latter is broccoli brown, paler on the under parts. 
Measurements. Total length, 95; tail, 53; forearm, 35.4; thumb, 
5; second finger, 37; third finger, 77; fourth finger, 56; fifth finger, 57; 
tibia, 19; foot, 7.6; ear from meatus, 14; from crown, 12. Skull: 
greatest length, 16; basal length, 14; zygomatic breadth, 8; inter- 
orbital constriction, 3; width of braincase above roots of zygomata, 
7-6; mandible, 12; maxillary tooth row, 7; mandibular tooth row, 7. 
