166 CHIROPTERA 



dorsal ; scapula with coracoid curved outward ; nostrils simple ; 

 lower incisors in all known genera, 3-3. 



Bemarks. — The sub-family Vespertilioninae contains all but 

 eight of the known genera of Vespertilionidse, and all but one, 

 3Iinio_pterus, of the eight found in Europe. It is the central, 

 least specialized portion of the family. 



KEY TO THE EUROPEAN GENERA OF VESPERTILIONID^. 



Cheek teeth 5i? Myotis, p. 166. 



Cheek teeth less than ^. 

 Upper premolars 1-1. 

 Rostrum noticeably concave on each side of middle 

 line ; nares extending about halfway to inter- 

 orbital constriction ; palatal emargination 



broader than deep Vespertilio, p. 238. 



Rostrum evenly convex laterally ; nares not ex- 

 tending halfway to interorbital constriction ; 



palatal emargination deeper than broad Eptesicus, p. 224. 



Upper premolars 2-2. 



Lower premolars 3-3. 

 Auditory bulla large, its greatest diameter 

 more than twice width of basioccipital ; 

 ear much longer than head ; second 

 phalanx of third finger shorter than first Plecotus, p. 256. 

 Auditory bulla small, its greatest diameter 

 about equal to width of basioccipital ; ear 

 shorter than head ; second phalanx of 

 third finger nearly three times as long as 



first Miniopterus, p. 268. 



Lower premolars 2-2. 



Fifth finger shortened, its length only a little 

 more than that of metacarpal of fourth 



or third Nyctalus, p. 242. 



Fifth finger normal, its length greater than 

 that of metacarpal and first phalanx of 

 fourth or third. 

 Upper surface of rostrum convex ; ears 



separate Piinstrellus, p. 202. 



Upper surface of rostrum concave ; ears 



joined Barbastella, p. 263. 



Genus MYOTIS Kaup. 



1829. Myotis Kaup, Entw.-Gesch. u. Natiirl. Syst. Europ. Thierwelt, i, 

 p. 106 [viyotis). 



1829. Nystactcs Kaup, Entw.-Gesch. u. Natiirl. Syst. Europ. Thierwelt, i, 



p. 108 {bechsteinii). 



1830. Leuconoe Boie, Isis, p. 256 (daubentonii). 



1839. Yespertilio Keyserling and Blasius, Wiegmann's Archiv fiir Natur- 

 gesch., 1839, i, p. 306 (Not Vespertilio Linnaeus, 1758). 



1841. Sclysius Bonaparte, Iconogr. Faun. Ital. i., Introd. alia Classe 

 Mamm., p. 3 {mystacinus). 



1841. Capaccinius Bonaparte, Iconogr., Fauna Ital., i, Indice Distrib., 



p. 1 {capaccinii) . 



1842. Trilatitus Gray, Ann. and Mag. Nat. Hist., x, p. 258, December, 



1842 {Jiasseltii, macellus = advcrsus and blepotis). • 



