XVI THE LONG-EARED AND OTHER BATS 529 



The genus Vespertilio contains some forty-five species, and is 

 world-wide in range. It has one more premolar in the upper 

 jaw than has Vesper^igo. There are no less than six British 

 species, of which V. rwurinus is the largest species of Bat recorded 

 from this country, but is not quite certainly indigenous. 



Plecotus has very long ears. The dentition is 1 1 C ]- Pm ?^ M -|. 

 Tlie tragus is very large. There are but two or possil)ly three 

 species, of wdiich one is North American, and the other is the 

 Long-eared Bat, F. auritus, of this country, but ranging as far as 

 India. Tlie shrill voice, inaudible to some ears, of this Bat has 

 been heard (rf hy everyl)ody. 



Synotus includes the British Barbastelle, *S'. harhastelivs, as 

 well as an Eastern form. It differs from the last genus principally 

 by the loss of a lower premolar. The ears, too, are not so large. 

 Otonycteris, JVyctojjJiilKs, and Antrozous are allied genera ; the 

 last is Californian, the others Old-World forms. 



Kerivoula (or Oerivoida) has a long, pointed, narrow tragus. 

 The tail is as long as or longer than the head and body. The 

 dentition is as in Vespertilio ; but the upper incisors are parallel 

 instead of divergent as in that genus. The brilliantly-coloured 

 K. jpicta is, on account of this very fact, the best- known species. 

 The name Kerivoula, a corruption of the Cinghalese " Kehel vulha," 

 signifies plantain bat. This Bat has been described as looking, 

 when disturbed in the daytime, more like a huge butterfly than a 

 Bat, which is naturally associated with sombre hues. Other 

 species occur in the Oriental, Australian, and Ethiopian regions. 



Miniopterus has a premolar less in the upper jaw ; it has a 

 long tail as in the last genus. One species, M. scheihersi, has 

 almost the widest range of any Bat, it being found from South 

 Europe to Africa, Asia, Madagascar, and Australia. 



Natahis is an allied form from Tropical America and the West 

 Indies. It is chiefly to be separated from Kerivoula by the short 

 tragus to the ear. 



Tliyroptera is also South American. It is distinguished by 

 the curious sucker-like discs upon the thundj and foot. These 

 " resemble in miniature the sucking cups of cuttle-fishes." The 

 Madagascar genus, Myxopoda, with l)ut one species, has also an 

 adhesive but horse-shoe-shaped pad upon tlie thumb and foot. 



Scotophiliis has shortish ears with a tapering tragus. The tail 

 is shorter than the head and body, and is nearly contained within 

 VOL. X 2 m 



