226 CHIEOPTEKA 



KEY TO THE EUROPEAN SPECIES OP EPTESICUS. 



Porearm less than 40 mm. ; condylobasal length of 

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

 cation between colours of upper and lower surfaces 

 of neck E. nilssonU, p. 234. 



Porearm more than 45 mm. ; condylobasal length of 

 skull more than 17 mm. ; no line of demarcation 

 between colours of upper and lower surfaces of 

 neck. 



Condylobasal 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. Vespertilio serotinus Schreber, Saugthiere, i, pi. liii (Description, i, 



p. 167, 1775, under name: Die Blasse Pledermaus). Prance, 



based primarily on "La Se>otine" of Daubenton, Hist. Acad. 



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

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



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

 1827. Vespertilio wiedii Brehm, Ornis, Heft in, p. 24 (Renthendorf, 



Thviringen, Germany). 

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



Thiiringen, Germany). 

 1844. Vesp\eartilio\ incisivus Crespon, Paune Meridionale, I, p. 26 (Nimes, 



Gard, Prance). 

 1857. Vesperugo serotinus Blasius, Saugethiere Deutschlands, p. 76. 

 1863. [Cateorus serotinus'] var. typus Koch, Jahrb. des Vereins fur Natur- 



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



Germany). 

 1863. [Cateorus serotinus] var. rufescens Koch, Jahrb. des Vereins fiir 



Naturkande im Herzogthum Nassau, xvm, p. 466 (Preiburg, 



Breisgau, Germany). 

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



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



manyi Erteseto', Kolozsvar, x, p. 275 (Also-Szoes, Szolnok-Doboka, 

 Hungary). 



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



ungen des Siebenbiirgischen Vereins fur Naturwissensch. in 



Hermannstadt, xxxvi, p. 81. 

 1900. Eptesicus serotinus M6hely, Monogr. Chiropt. Hungarise, p. 209. 

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



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

 1904. Vespertilio isabellinus Cabrera, Mem. Soc. Espafl. Hist. Nat., n, 



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

 1904. Vespertilio boscai Cabrera, Mem. Soc. Espafl. Hist. Nat., n, p. 265 



(Muchamiel, Alicante, Spain). 

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



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



Type locality. — France. 



Geographical distribution. — Central and southern Europe 

 from England and Denmark to the Mediterranean ; eastward 

 into Asia. 



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



