MYOTIS 169 



Combined length of tibia and foot less than 



25 mm. ; oondylobasal length of skull 



14 • to 14 • 6 mm. ; ear narrow, its width 



about 10 mm. ; tragus conspicuously 



more than half as high as conch 21. nattercri, p. 174. 



Combined length of tibia and foot about 



30 mm. ; oondylobasal length of skull 



16 to 17 mm. ; ear broad, its width about 



14 mm. ; tragus scarcely half as high as 



conch 31. bechsteinii, p. 179. 



MYOTIS MYSTACINUS Kuhl. 



1819. Vespertilio mystacinus Kuhl, Ann. Wetterau. Gesellsch. Naturk., iv 



(= Neue Ann., i), pt. 2, p. 202. 

 1821. Vespertilio collaris Schinz, Das Thierreich von Cuvier, i, p. 177 



(Mt. Blanc, Haute-Savoie, Prance). 

 1834. Vespertilio humeralis Baillon, Mem. Soc. Royale d'Emulation 



d'Abbeville, 1833, p. 50 (Abbeville, Somme, Prance). 

 1837. Vespertilio schinsii Brehm, Ornis, Heft in, p. 27 (Renthendorf, 



Thiiringen, Germany). 

 1843. V[espertilio] schranhii Wagner, Wiegmann's Archiv fur Naturgesch., 



tx, Bd. n, p. 25 (Munich, Germany ? See Pitzinger, Sitzungsber. 



kais, Akad. Wissensch. Wien, Math.-Naturwiss. Classe, lxii, pt. 1, 



p. 219, 1871). 

 1857. Vespertilio mystacinus Blasius, Saugethiere Deutschlands, p. 96. 

 1863. [Brachyotus mystacinus] var. nigricans Koch, Jahrb. des Vereins fur 



Naturkunde im Herzogthum Nassau, xvin, p. 444 (Wiesbaden, 



Nassau, Germany). 

 1863. [Brachyotus mystacinus] var. rufofuscus Koch, Jahrb. des Vereins 



fur Naturkunde im Herzogthum Nassau, xvin, p. 444 (Wiesbaden, 



Nassau, Germany). 

 1863. [Brachyotus mystacinus] var. aureus Koch, Jahrb. des Vereins fur 



Naturkunde im Herzogthum Nassau, xvin, p. 445 (Breisgau, 



Germany). 

 1869. [Vespertilio mystacinus] var. nigricans Patio, Faune Vert. Suisse, 



i, p. 92 (Switzerland). Not of Koch, 1863. 

 1869. [Vespertilio] lugubris Patio, Paune Vert. Suisse, i, p. 93 (Alternative 



for nigricans Patio). 

 1871. Vespertilio mystacinus, nigro-fuscus Pitzinger, Sitzungsber. kais. 



Akad. Wissensch. Wien, Math.-Naturwiss. Classe, lxii, pt. 1, 



p. 217 (Renaming of V. schinzii Brehm). 

 1878. Vespertilio mystacinus Dobson, Catal. Chiropt. Brit. Mus., p. 314. 

 1900. Myotis mystacinus Mehely, Monogr. Chiropt. Hungariae, p. 200. 

 1910. Myotis mystacinus Trouessart, Paune Mamm. d'Europe, p. 33. 



Geographical distribution. — Entire Continent of Europe north 

 to about the limits of tree growth ; west to Ireland ; east into 

 Asia. 



Diagnosis. — Smallest species of European Myotis (forearm 

 about 34 mm., longest finger about 60 mm., oondylobasal length 

 of skull 12-6 to 13 "2 mm.) ; ear moderately long, extending 1 to 

 2 mm. beyond tip of muzzle when laid forward, its posterior 

 border with shallow inconspicuous emargination ; foot about half 

 as long as tibia ; wing membrane extending to base of outer 

 toe ; last caudal vertebra free. 



