6. VESPERUGO. 189 



2. Vesperugo inacrotus. 



Nycticejus macrotus, Poeppig, Iteise in ChUi, i. p. 461 (1847). 

 VespertiUo velatus, Gay, Hist. CliUe, Zoolog. i. p. 40, pi. i. figs. 



Z, za ("1847). 

 Vespertiho yelatus, Philippi, Wiegm. Archiv, 1861, p. 289. 

 Histiotus macrotus, Peters, MB. Akad. Berl. 1875, p. 788, pi. figs. 



Ears much larger than in V. velatus and the ear-conch is quite 

 differently shaped, the inner margin being regularly convex, not ex- 

 panded at the base, the extremity broadly rounded off, the upper 

 third of the outer margin straight or faintly concave, the lower two 

 thirds slightly convex. On the whole the form of the ear is not 

 unlike that of VespertiUo marinus. The ears are united, as in the 

 preceding species, by a distinct band. Tragus as in F. velatus, 

 slightly longer, and with a smaller lobule at the base of the outer 

 margin. 



Wings from the base of the toes ; postcalcaneal lobe very narrow ; 

 the last caudal vertebra free. 



Fur, above, dark brown, with paler extremities ; beneath similar, 

 with greyish or ashy tips. 



Teeth very similar to those of V. velatus. 



Length, head and body 2"-2, tail l"-7, head 0"-8, ear l"-45, 

 tragus 0"-6, forearm l"-9, thumb 0"-4 ; third finger — metacarp. l"-8, 

 1st ph. 0"-6, 2nd ph. 0"-95 ; fourth finger — metacarp. l"-7o, 1st 

 ph. 0"-5, 2nd ph. 0"-6; fifth finger— metacarp. l"-7, 1st ph. 0"-46, 

 2nd ph. 0"-4 ; tibia 0"-8, foot 0"-45. 



(The above description is founded on the descriptions referred to 

 in the synonjTny, as I have not yet had an opportunity of examining 

 any specimens of this species.) 

 ffab. Chili. 



3. Vesperugo montanus. 



Vespertilio montanus, Philippi, Wiegm. Archiv, 1861, p. 289. 

 Vesperus segethii, Peters, 3IB. Akad. Berl. 1864, p. 383. 

 Vesperus montanus, Peters, MB. Akad. Berl. 1876, p. 789, pi. fig. 3 

 (ear). 



Very similar to V. macrotus in general structure, but the ears are 

 conspicuously shorter and the inner side of the ear-conch more 

 convex at the base and less convex above ; the low band connecting 

 the inner sides of the ears does not rise to any appreciable extent 

 above the integument of the forehead ; laid forwards the extremities 

 of the ears extend quite half an inch beyond the end of the muzzle ; 

 inner margin of the tragus straight, the upper third of the outer 

 margin slightly concave. 



Wings from the base of the toes ; postcalcaneal lobe very narrow ; 

 caleanea as long as the tibiae, their acute extremities conspicuously 

 projecting beyond the interfemoral membrane ; the last caudal ver- 

 tebra and half the antepenultimate vertebra projecting. 



