20 CHEIROPTERA. 



neighbourhood of water, flying low over its surface, and over 

 reedy places and low woods. 



Is common in Holland, especially near Leyden. Has 

 been found in Belgium by M. de Selys, near Maestricht, 

 and at Faulx les Caves. Stated by Eversmann, in the 

 • Bulletin Soc. Imp. des Naturalistes de Moseou,' 1853, to 

 occur on the Biver Ural, and on the Southern Volga. 

 Blasius has ascertained its existence in Denmark, Bruns- 

 wick, Oldenburg, Silesia, Hungary, and Italy. 



Vespertilio Daubentonii. 



Vespertilio Daubentonii, DESM.Mamm. Sp. 213; Temm. Monog. vol. ii. 

 p. 156 ; Bell, Brit. Quad. ; Buoif. Faun. Ital. (figured). 



Description. — False molars -g-. Head rather small ; muzzle 

 blunt, with numerous long stiffish hairs, and a moustache 

 of soft and long hair on each side of the upper lip, which 

 is tumid ; ears moderate, three-fourths of the length of the 

 head, oval, bending a little outwards,, the external margin 

 very slightly notched, the inner margin with a fold near 

 the base ; tragus somewhat lanceolate, narrow, rather blunt 

 at the apex, turned a little inwards, half as long as the ear ; 

 tail a little longer than the fore-arm, free for about 1 line. 

 Hinder limbs robust ; feet strong, the outer toe very distinct 

 from the rest ; interfemoral membrane ample, the trans- 

 verse lines very numerous. Fur soft, plentiful, brownish 

 black at the base ; near the surface above greyish red, be- 

 neath ash-grey. Females and young rather darker ; mem- 

 branes dusky, with a reddish tinge; interfemoral mem- 

 brane whitish beneath. 



Length of head and body, 2 inches ; head, 7 lines ; tail, 

 1 inch 6 lines; ear, 6 lines; breadth of ear, 3^- lines; 

 length of tragus, 2| lines ; fore-arm, 1 inch 4 lines ; extent 

 of wings, 9 inches. 



Flies over the surface of water, in a swift irregular flight. 



