226 CHIROPTEEA 



KEY TO THE EUBOPEAN SPECIES OF EPTESICUS. 



Forearm less than 40 mm. ; coudylobasal length of 

 skull less than 16 mm. ; a distinct line of demar- 

 cation between colours of upper and lower surfaces 

 of neck E. nilssonii, p. 2.34. 



Forearm more than 45 mm. ; condj'lobasal length of 

 skull more than 17 mm. ; no line of demarcation 

 between colours of upper and lower surfaces of 

 neck. 



Coudylobasal length of skull 19 to 21*6 mm E. serotinus, p. 226. 



Condylobasal length of skull about 18 mm E. sodalis, p. 231. 



EPTESICUS SEROTINUS Schreber. 



1774. Vcspertilio serotinus Schreber, Siiugthiere, i, pi. liii (Description, i, 



-p. 167, 1775, under name : Die Blasse Fledermaus). France, 



based primarily on "La Serotine " of Daubenton, Hist. Acad. 



Royale des Sci., 1759, p. 377. 1765. 

 1776. Vcspertilio serotine P. L. S. Miiller, Natursyst. Suppl. u. Regist.- 



Band, p. 16 (Based on "die Blasse Fledermaus" of Schreber). 

 1827. Vcspertilio u-iedii Brehm, Ornis, Heft in, p. 24 (Renthendorf, 



Thiiringen, Germany). 

 1827. Vespertilio okcnii Brehm, Ornis, Heft in, p. 25 (Renthendorf, 



Thiiringen, Germany). 

 1844. Vcspjlertiliol incisivus Crespon, Faune M6ridiouale, i, p. 26 (Nimes, 



Gard, France). 

 1857. Vcsperugo serotinus Blasius, Siiugethiere Deutschlands, p. 76. 

 1863. [Cateorus serotiniis'\ var. typus Koch, Jahrb. des Vereins fiir Natur- 



kunde im Herzogthum Nassau, xviii, p. 466 (Wiesbaden, Nassau, 



Germany). 

 1863. \_Cateorus serotinus'] var. rufesccns Koch, Jahrb. des Vereins fiir 



Naturkjude im Herzogthum Nassau, xviii, p. 466 (Freiburg, 



Breisgau, Germany). 

 1878. Vesiwrugo serotinus Dobson, Catal. Chiropt. Brit. Mus., p. 191. 



1885. Vespierus serotinus var. transylvanus Daday, Orvos-Termeszettudo- 



manyi Erteset(5, Kolozsvar, x, p. 275 (Also-Szocs, Szolnok-Doboka, 

 Hungary). 



1886. Vesperus serotinus var. transsylvanus Daday, Verhandl. u. Mittheil- 



ungen des Siebenbiirgischen Vereins fiir Naturwissensch. in 



Hermannstadt, xxxvi, p. 81. 

 1900. Eptesic.us serotinus Mehely, Monogr. Chiropt. Hungarise, p. 209. 

 1904. Vespertilio serotinus insularis Cabrera, Mem. Soc. Espan. Hist. Nat., 



II, p. 263 (Minorca, Balearic Islands). 

 1904. Vcspicrtilio isnhellinus Cabrera, Mem. Soc. Espan. Hist. Nat., ii, 



p. 264 (southern Spain). Not of Temminck. 

 1904. Vcspertilio hoscai Cabrera, Mem. Soc. Espan. Hist. Nat., ii, p. 265 



(Muchamiel, Alicante, Spain). 

 1910. Eptcsicus serotinus, E. serotinus transsylvanus, and E. boscai Troues- 



sart, Faune Mamm. d'Europe, pp. 20-22. 



Tj/jye locality. — France. 



GeograjMcal distrihution. — Central and southern Europe 

 from England and Denmark to the Mediterranean ; eastward 

 into Asia. 



Diaynosis. — Size rather large (forearm more than 45 mm., 



