436 [December, 



Hair aoove black, tipped with very dark chesnut brown or with dark fawn 

 color, beneath dark cinereous tipped with brownish grey. Face black, hairy, 

 nose blunt, slightly emarginate. Ears black, moderate, very slightly hairy at the 

 base, ovate, emarginate on the posterior edge. Orillon subulate, pointed. Mem- 

 brane naked dusky or dark brown, a little hairy next the body, the humeral por- 

 tion extending beyond the bone into an angle. Interfemoral hairy near the base 

 for about one-third its length both above and beneath, including the tail except 

 the last joint and one half of the penultimate. 



Length 2.9. Tail 1.1. Naked part .1. Extent 9.4. Head. 9. Ears .4. Orillon .3. 



Inhabits everywhere. Varies much in color from the darkest chesnut to light 

 fawn. With this species, commences the family of Murinoid bats. 



V. lucifugus L. C. in Dr. McMurtrie's translation of the Regne Animal. 



Dentition the same as in V. subulatus. 



Hair dark plumbeous, above tipt with dark chestnut brown, beneath with pale 

 brown. Face black, hairy, nose flat, blunt, rugose, emarginate. Ears black, 

 naked, except about one fourth their length outwardly from the base, so much 

 emarginate outwardly as to appear hooked. Orillon lanceolate, blunt, a little 

 convex on the outer edge, straight on the inner. Membrane black, naked except 

 near the body. Interfemoral naked, except a few scattered bairs on the under 

 surface, including the tail except the last joint. 



Length 3.8. Tail 1.6. Naked part .1. Extent 11.7. Head .75. Ears .45. Orillon 

 .2. 



Inhabits Georgia. 



Much resembles the preceding but has the ears of a different form as well as 

 the orillon. 



V. georgianus Cuvier 1. c. p. 16. 



Dentition the same as in subulatus except that the posterior false molar of the 

 upper jaw has an interior, basal, bi-emarginate cusp formed from a prolongation 

 of the calcaneum of the tooth, and the canine of the lower jaw has an interior, 

 blunt, basal lobe. 



Hair dark plumbeous, above tipped with bright rufous, the hair so arranged 

 that the pelage appears varied with black particularly on the upper part of the 

 back, beneath the hair is tipped with fawn color or rufous. Face black, very 

 hairy, nose flat, blunt, rugose, emarginate. Ears perfectly naked, short, ovate, 

 blunt, slightly emarginate on the outer edge, orillon oblong," blunt, straight. 

 Membrane dusky or very dark brown slightly hairy next the body. Interfemoral 

 above thinly furnished with rather long hairs for nearly one half its length, 

 beneath with a few scattering hairs which spring from the transverse nervures, 

 including the tail, except the last joint and one half of the penultimate. 



Length 3 in. Tail 1.6. Naked part .1. Extent .9 in. Head .55. Ears .35. Orillon 

 .2. 



Inhabits Georgia. 



Said by Dr. Bachman to be same with the V. subulatus which it very slightly 

 resembles. 



V. macrotis. Plecotus macrotis L. C. McMurtrie's translation of Cuvier's 

 Regne Animal, Appendix. 



Dentition. Upper jaw incisors 2-2, the anterior bilobed, the posterior smaller. 

 False molars 2-2, the anterior one very small, the base of the posterior one pro- 

 jecting backwards into a fiat, sharp surface. Molars and canines as before. 

 Lower jaw, incisors 6, crenate. False molars 3-3, the two anterior small. Molars 

 and canines as in other species. 



Hair black above slightly tipped with dark chesnut brown, beneath with 

 whitish, sometimes entirely black both above and beneath, except a small cinere- 

 ous space near the arms. Face black nakedish, with a prominent tubercle on 

 each side behind the nostrils, these tubercles converge towards each other, 

 leaving a considerable hollow space on the top of the head, which is flat, 

 the nose not bilobed. Ears ovate broad, naked, dusky, much longer than the 

 head, bending forwards, the hinder margin somewhat involute, the inner margin 





