VESPERTILIO.] MAMMALIA PRIMATES. 21 



DESCRIPT. Face almost naked: forehead very hairy: eyes rather 

 large, with a few dusky hairs immediately above them : ears inclining 

 backwards, as long as the head, oval, naked, grayish ash-colour exter- 

 nally, somewhat yellowish within : tragus falciform, about half the length 

 of the auricle. Fur above pale reddish brown ; beneath dirty white, in- 

 clining to yellowish : flying and interfemoral membranes brownish. 



This must not be confounded with the V. murinus of English authors, 

 from which it may be readily distinguished by its very superior size. It is 

 a common species on the Continent, but apparently rare in Britain. The 

 only indigenous specimens known were taken in the gardens of the 

 British Museum, and are in that collection. Said to inhabit churches 

 and buildings : never found in trees. 



26. V. Bechsteinii, Leisl. Ears oval, a little longer 

 than the head ; tragus falciform, bending outwards at the 

 extremity, not half the length of the auricle : fur reddish 

 gray above; white beneath. 



V. Bechsteinii, Desm. Mammal, p. 135. 



DIMENS. Length of the head and body two inches one line ; of the 

 head nine lines ; of the tail one inch three lines ; of the ears ten lines ; 

 of the tragus four lines ; of the thumb four lines : extent of wing eleven 

 inches. 



DESCRIPT. Allied to the last species, but distinguished by its smaller 

 size, relatively larger ears, and remarkably slender thumb. Face almost 

 naked : muzzle long, and conical : ears oval, somewhat longer than the 

 head, rounded at the extremity ; tragus lanceolate, pointed, a little bent 

 outwards towards the extremity. Fur reddish gray on the upper parts, 

 whitish on the under. 



A rare species, of which specimens are in the British Museum from 

 the New Forest. Resides constantly amongst trees, and is never found 

 in buildings. 



27. V. Natter 'eri, Kuhl Ears oblong-oval, about as 



long as the head ; tragus lanceolate, nearly two-thirds the 

 length of the auricle : fur reddish gray above, white be- 

 neath : interfemoral ample, the margin crenate on each 

 side towards the tip, and fringed with short bristly hairs. 



V. Nattereri, Desm. Mammal, p. 135. 



DIMENS. Length of the head and body one inch eleven lines ; of the 

 head eight lines and a half; of the tail one inch seven lines; of the ears 

 eight lines and a half; of the tragus five lines ; breadth of the ears three 

 lines and three quarters; of the tragus at the base one line; length of 

 the fore-arm one inch six lines ; of the thumb two lines and three quar- 

 ters : extent of wing ten inches eight lines. 



DESCRIPT. Head rather small; snout attenuated: nose a line in 

 breadth at the extremity, slightly emarginated between the nostrils, con- 

 vex above: all the face, excepting immediately above the nose, hairy, 

 but the hair very thinly scattered about the eyes and chin, with a few 

 bristly hairs longer than the others intermixed : gape extending as far 

 as the posterior angle of the eye : a row of longish hairs on the upper lip 



