DESCRIPTION OF A NEW BAT. 3 



the outer margin becomes abruptly convex and then nearly 

 straight, with a distinct reflexed lobe near its base. Tragus at 

 tenuated above ; inner margin straight or slightly convex ; outer 

 margin slightly concave in upper half, then slightly convex, 

 with a distinct lobule at the base, which is separated by a 

 notch from the convexity above. 



Thumb very small, considerably shorter than the foot. Foot 

 small. Wings from base of toes. Upper surface of wing- 

 membranes haired from about the middle of the humerus to 

 the knee : basal third of upper surface of interfemoral mem 

 brane covered with hair ; on under surface of interfemoral the 

 hair is arranged in little tufts along transverse lines, about 

 thirteen in number. Half of last vertebra of tail free. 



Fur long and soft ; basal portion dusky ; apical portion vary 

 ing from whitish or yellowish-white to isabella-brown (tawny- 

 isabella in the New Mexico specimens), which in some indi 

 viduals is nearly as dark as in V. subulatus ; the colored apical 

 portion varies in extent from less than one-third to more than 

 one-half the length of the hairs. 



Measurements from alcoholic specimens. Male adult (No. 

 2794 Merriam Collection) : Head and body, 42 mm. ; head, 

 16.25 mm - 5 tail, 37 mm - 5 ear, from inner basal angle, 15 

 mm. ; tragus, 6.75 mm. ; humerus, 22 mm. ; forearm, 32.50 

 mm. ; thumb, 3.75 mm. ; third finger, 56 mm. ; fifth finger, 

 44 mm.; tibia, 11.25 mm.; hind foot, 7 mm. 



Female adult (type, No. 2797 Merriam Collection) : Head 

 and body, 43 mm. ; head, 16.25 mm - tail, 40 mm. ; ear, 

 from inner basal angle, 15 mm. ; tragus, 6.75 mm. ; humerus, 

 22 mm. ; forearm, 33 mm. ; thumb, 3.50 mm. ; third finger, 

 56 mm.; fifth finger, 45.50 mm.; tibia, 11.50 mm.; hind 

 foot, 7-5 



