878 



Mus spicilegus spicilegus Petenyi. 



1882. Mus spicilegus Petenyi, Termeszetrajzi Fiizetek, Budapest, v, p. 114. 

 1882. Mus acervator Petenyi, Termeszetrajzi Fiizetek, Budapest, v, p. 114 



(alternative name). 

 1882. Mus acervifex Petenyi, Termeszetrajzi Fiizetek, Budapest, v, p. 114 



(alternative name). 

 1882. Mus canicularius Petenyi, Termeszetrajzi Fiizetek, Budapest, v, 



p. 114 (alternative name). 

 1882. Mus caniculator Petenyi, Termeszetrajzi Fiizetek, Budapest, v, 



p. 114 (alternative name). 

 1896. Mus musculus flavescens Barrett-Hamilton, Zoologist, 3d. ser., xx, 



p. 179, May 1896 (not Mus musculus var. flavescens Fischer, 1872). 

 1910. Mus spicilegus Trouessart, Faune Mamm. d'Europe, p. 148. 



Type locality. — Hungary. 



Geographical distribution. — East central Europe from the 

 northern portion of the Balkan Peninsula to the shores of the 

 Baltic ; westward into Sweden. 



Diagnosis. — General colour of upper parts a clear greyish 

 brown without decided yellowish or russet suffusion. 



Colour. — Upper parts a light wood-brown, becoming some- 

 what buffy on sides, the entire median region from nose to base 

 of tail rather conspicuously though finely " lined " with black, 

 this "lining" sometimes producing an evident dark median 

 dorsal area, and always becoming inconspicuous on sides and 

 disappearing entirely on narrow area bordering lighter colour 

 of underparts. Basal portion of hairs slate-grey. Underpavts 

 rather sharply defined buffy white or pale cream-buff, the slate- 

 grey bases of the hairs producing a slight greyish cast. Feet 

 and under 'surface of tail essentially concolor with belly; upper 

 surface of tail brownish without sharp line of demarcation. 

 Ears sprinkled with brownish hairs externally, with buffy 

 internally, neither surface with any decided colour. 



Measurements. — Average of seven adults from Upsala, 

 Sweden: head and body, 86-2 (82-96); tail, 67-8 (60-77); 

 hind foot, 17 '1 (15 " 4-17 • 4). Average and extremes of seven 

 adults from near Konigsberg, Germany : head and body, 81 • 9 

 (73-90); tail, 67-8 (60-75); hind foot, 16-8 (16-4-17-4). 

 Adult female from Hatszeg, Hunyad, Hungary : head and body, 

 81 ; tail, 62 ; hind foot, 17 ; ear, 12. Adult male from Gageni, 

 Roumania : head and body, 75 ; tail, 60 ; hind foot, 16 ; ear, 12. 

 Average and extremes of five adults from Patrily, Roumania : 

 head and body, 77 -5 (72-83) ; tail, 6-21 (59-5-70) ; hind foot, 

 16-2 (16-16-5); ear, 12 (11 • 5—13 ■ 5). Eor cranial measure- 

 ments see Table, p. 880. 



Specimens examined. — Fifty-seven, from the following localities : — 

 Sweden : Upsala, 10 (U.S.N.M.) ; Stockholm, 2 (U.S.N.M.). 

 Germany : Baltic coast, west of Konigsberg, 17 (U.N.N.M.). 

 Austeia-Hungaey : Csall6k6z-Somorja, Pressburg, 5 ; Hatszeg, 

 Hunyad, 2 ; Pester Comitat, 2. 



