226 CHIROPTERA 



KEY TO THE EUEOPEAN SPECIES OP EPTESICUS. 



Forearm 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. nilssonii, p. 234. 



Forearm 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. 22G. 



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). France, 



based primarily on " La Serotine " 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 Fledermaus" of Schreber). 

 1827. Vespertilio ivieclii Brehm, Ornis, Heft iii, p. 24 (Renthendorf, 



Thiiringen, Germany). 

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



Thiiringen, Germany). 

 1844. Vesp[ertilio'] incisivus Crespon, Faune M6ridionale, i, p. 26 (Nimes, 



Gard, France). 

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

 1863. [Cateorus serotimis'] var. typus Koch, Jahrb. des Vereins fiir Natur- 



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



Germany). 

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



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



Breisgau, Germany). 

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



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



manyi ErtesetS, Kolozsvar, x, p. 275 (Als6-Sz6cs, Szolnok-Doboka, 

 Hungary). 



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



ungen des Siebenbiirgischen Vereins fiir Naturwissensch. in 



Hermannstadt, xxxvi, p. 81. 

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

 1904. Vespertilio serotinus insidaris Cabrera, Mem. Soc. Espaii. Hist. Nat., 



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

 1904. Vespertilio isabellinus Cabrera, Mem. Soc. Espau. Hist. Nat., ii, 



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

 1904. Vespertilio boscai Cabrera, Mem. Soc. Espan. Hist. Nat., ii, p. 265 



(Muchamiel, Alicante, Spain). 

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



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



Ty2^e 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., 



