PLECOTUS 257 



1829. [VcsjKrtilio am-itus] y auslrincus Fischer, Synops. ]\Ianiin., p. 117. 



Based on the "second variety" of Desmarest, Diet, des Sci. Nat., 



LViii, p. 51, 182'J (Vienna, Austria). 

 1832. riccotus velatus I. Geoffroy, Gu^rin's Mag. do Zool., ii, CI. i, pi. 2, 



p. 5 (not numbered), footnote (Name api)licd by lapsus calami to 



tlie common Plccotus of England). 

 1810. Plrcotiis megalotos Schinz, Europ. Fauna, i, p. 19 (Synonym of 



auritus ; lirehm cited as authority). 

 1857. I'lecotus auritus Blasius, Siiugethiere Deutschlaiids, p. 39. 

 18G0. Plccotus kirschbanmii Koch, Achter Ber. Oberhess. Gesellsch. 



Natur.- u. Heilkunde, Giesson, p. 40, May, 1860 (Dillenburg, 



Oberhessen, Germany). 

 1863. [Plccotus auritus] var. ttjinis Koch, Jahrb. des Vereius fiir Natur- 



kunde im Herzogthum Nassau, xviii, p. 406 (Wiesbaden, Nassau, 



Germany). 

 1863. [Plccotus auritus] var. montanus Koch, Jahrb. des Vercins fiir Natur- 



kunde im Herzogthum Nassau, xviii, p. 406 (Westerwald, Nassau, 



Germany). 

 1863. [Plccotus auritus] var. brcvipes Koch, Jahrb. des Vereins fiir Natur- 



kunde im Herzogthum Nassau, xviii, p. 407 (Substitute for kirscli- 



bauniii Koch). 

 1878. Plccotus auritus Dohson, Gatal. Chiropt. Brit. Mus., p. 178. 

 1910. Plccotus auritus Trouessart, Faune Mamm. d'Europc, p. 12. 



Type locality. — Sweden. 



Geographical distribution. — From Ireland ea.stward into Asia, 

 and from the Mediterranean north to the Scandinavian Peninsula. 



Diagnosis. — Characters as in the genus ; auditory bulhe 

 not excessively enlarged ; forearm about 37 mm. 



External characters. — General form slender and delicate, the 

 most conspicuous feature the greatly enlarged ears, the super- 

 ficial area of which together when outstretched is considerably 

 greater than that of entire body. Muzzle rather nari'ow, its 

 width at middle about equal to distance from tip to point on 

 forehead at middle of base of joining membrane of ears ; glandular 

 swellings not conspicuous, but extending up over sides to median 

 line behind nostrils, and backward to eye. Nostrils opening 

 upward and slightly foi'ward, their orifices crescentic with slit- 

 like posterior elongation ; space between nostrils flat, crossed 

 at middle by a transverse groove with overhanging anterior edge. 

 Lips moderately full, smooth. Ear very large, extending about 

 20 mm. beyond tip of muzzle when laid forward, its length fi-om 

 meatus nearly equal to that of forearm : general outline of conch 

 a simple, rater elongate oval, the anterior and posterior borders 

 evenly convex, the tip rather narrowly rounded ; anterior bases 

 joined across forehead, the membrane at point of junction about 

 2 • 5 mm. high ; outline of anterior border broken about 3 mm. 

 above base by conspicuously projecting, evenly rounded lobe 

 2 mm. long by 3 mm. wide at base ; antitragus scarcely indicated, 

 the posterior border of conch terminating abruptly a little behind 

 level of eye ; inner surface of conch with about twenty faint 

 cross striations ; joining membrane thinly furred ; a hairy line 



s 



