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 n specimens from Old Fort Tejon 

 gives total length, 85-95; tail vertebrae, 36-37; tibia, 16.4-18; foot, 

 8-8.9; forearm, 4046; 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., 1901, p. 401. 

 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., 



ii, 1898, p. 124. 

 LOWER CALIFORNIA BAT. 



Type locality. San Jose" del Cabo, Lower California, Mexico. 



* V. albescens, Auct., has been attributed to M. veltfer, but the real albescens. 

 Geoff., Aim. Mus. Hist. Nat., vm, 1805, p. 204, is a South American Bat, and 

 does not pass north of the Isthmus of Panama. 



