ilYOTIS 



169 



Combined length of tibia and foot less than 



25 mm. ; condylobasal length of skull 



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



about 10 mm. ; tragus conspicuously 



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



Combined length of tibia and foot about 



30 mm. ; condylobasal length of skull 



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



14 mm. ; tragus scarcely half as high as 



conch -1/. Ijcclistcinii, p. 17'J. 



MYOTIS MYSTACINUS Kuhl. 



1S19. Vespcrtilio mystacinus Kuhl, Ann. Wotterau. Gesellsch. Naturk., iv 



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

 1821. yespcrtilio coUaris Schinz, Das Thierreich von Cuvier, i, p. 177 



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

 1834. Vespcrtilio humeralis Baillon, Mem. Soc. Eoyale d'Emulation 



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

 1837. Vespcrtilio schinzii Brehm, Ornis, Heft iii, p. 27 (Renthendorf, 



Thiiringen, Germany). 

 1843. V[espcrtilio'\ scUrankii Wagner, Wiegmann's Archiv fiir Naturgesch., 



IX, Bd. II, p. 25 (Munich, Germany? See Fitzinger, Sitzungsber. 



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



p. 219, 1871). 

 1857. Vespcrtilio mystacinus Blasius, Saugethiere Deutschlands, p. 9G. 

 1863. [Brachyottcs ■mystacinus'] var. nigricans Koch, Jahrb. des Vereins fiir 



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



Nassau, Germany). 

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



fiir Naturkunde im Herzogthum Nassau, xviii, p. 444 (Wiesbaden. 



Nassau, Germany). 

 1863. [BracJiyotus mystacinus] var. aureus Koch, Jahrb. des Vereins fiir 



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



Cxermany). 

 1869. [Vesjxrtilio mystacinus] var. nigricans Fatio, Faune Vert. Suisse, 



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

 1869. [Vespcrtilio] lugubris Fatio, Faune Vert. Suisse, i, p. 93 (Alternative 



for nigricans Fatio). 

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



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



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

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

 1900. Myotis mystacinus M6hely, IMonogr. Chiropt. Hungarise, p. 200. 

 1910. Myotis mystacinus Trouessart, Faune Mamm. d'Europe, p. 38. 



Gcograplilcal disirihution. — Entire Continent of Europe north 

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

 Asia. 



Diagnosis. — Smallest species of European Myotis (forearm 

 about 34 mm., longest finger about 60 mm., condylobasal 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. 



