Form slender; tail long, face hairy, ears narrow; tragus, taper- 

 ing, straight or recurved; dental formula characteristic. 



Fig. 84, MyOTIS LUCIFUGUS. 



No. 216 Field Columbian Museum Coll. 



Skull enlarged 3 times. Incisors enlar^'ed 10 times. 



587. velifer. { K-s/>er W/w), ]. A. Allen, Bull. Am. Mus., 1890, p. 177. 



inciiutus, J. A. Allen, Bull. Am. Mus., i8g6, p. 239. 



Type locality. Santa Cruz del Valle near Guadalajara, Jalisco, 

 Mexico. 



Geoi^r. Distr. From Missouri and Indian Territory, south to 

 Hidalgo, northern Michoacan, and the city of Mexico. 



Genl. Char. Largest species of Myotis known in the United 

 States. Calcar slender, lobe not well developed. Wings from meta- 

 tarsus. Free border of uropatagium naked. Ears short, reaching 

 tip of nose. 



Skull. Strong and heavily built, but not larger than M. thysan- 

 cdes. Greatest length, 16-16.4; zygomatic breadth, 10 11; interor- 

 bital constriction, 4-4.2; width of rostrum at anterior root of first 

 upper molar, 6-6.2; length of mandible, 12-13. 



Color. Fur dull sepia throughout, paler on the belly, dusky 

 •late at base. Belly usually dull broccoli brown, sometimes tinged 

 with yellow, and then is nearly isabella color. 



Measurements. Total length, 99; tail, 44.8; tibia, 18.5; foot, 9.5; 



