MYOTIS, 573 
ventrally, the hairs everywhere dusky slate at base. The palest 
specimens are yellowish wood brown inclining to clay color; the 
darkest specimens dull raw umber. The belly varies from clear 
gray scarcely tinged with yellow to a strong yellowish gray, and in 
other specimens to dull brownish gray. (Miller, 1. c.) 
Measurements. Average of 11 specimens from Old Fort Tejon 
gives total length, 85-95; tail vertebra, 36-37; tibia, 16.4-18; foot, 
8-8.9; forearm, 40-46; thumb, 6—6.7; longest finger, 69-73.6; ear 
from meatus, 17.6-18.5; width of ear, 11.8—-12.2; tragus, 10.5-11. 
(Miller.) Skull: greatest length, 16.5; occipito-nasal length, 14.5; 
zygomatic width, 8.5; breadth of braincase, 7.6; greatest width of 
rostrum, 5.5; length of mandible, 11.5; length of upper molar series, 
4.5; of lower molar series, 5.5. 
540. *velifer (Vespertilio), J. A. Allen, Bull. Am. Mus. Nat. Hist., 
1890, p. 177. Elliot, Syn. N. Am. Mamm., rgor, p. gor. 
LARGE-WINGED Bat. 
Type locality. Santa Cruz del Valle, near Guadalajara, State of 
Jalisco, Mexico. 
Geogr. Distr. From State of Mexico north throughout Mexico to 
Missouri. 
Genl. Char. Size large; calcar slender, lobe not well developed; 
free border of uropatagium naked; ears short, reaching tip of nose; 
wings from metatarsus. Skull: strong and heavily built, but not 
larger than M. thysanodes; greatest length, 16-16.4; zygomatic 
breadth, 10-11; interorbital constriction, 4—4.2; width of rostrum at 
anterior root of first upper molar, 6—6.2; length of mandible, 12-13. 
Color. Fur is dull sepia throughout, paler on the belly, dusky 
slate at base; belly usually dull broccoli brown, sometimes mixed with 
yellow, and then is a nearly isabella color. 
Measurements. Total length, 99-105; tail, 44.8; tibia, 18.5; foot, 
9.5; forearm, 40-47; thumb, 7.2; longest finger, 73.4; ear from 
meatus, 16; width of ear, 10.6; tragus, 9. (Miller, N. Am. Faun., 
No. 13.) Skull: total length, 16; basilar length, 14; greatest width, 
10.5; length of mandible, border of incisors to condyle, 13. 
541. peninsularis (Myotis), Miller, Ann. Mag. Nat. Hist., 7th Ser., 
11, 1898, p. 124. 
Lower CALIFORNIA Bat. 
Type locality. San José del Cabo, Lower California, Mexico. 
*V.albescens, Auct., has been attributed to M.velifer, but the real albescens. 
Geoff., Ann. Mus. Hist. Nat., vit1, 1805, p. 204, isa South American Bat, and 
does not pass north of the Isthmus of Panama. 
