mus 863 



<S. St. Gilles, Gard. G. S. Miller (c). 8. 8. 4. 223. 



9. Bouconne, Gers. 0. Thomas (p). 6 4 1 39 



(A. Robert.) 

 2c5,2?. Biarritz, Basses-Pyrenees, J. P. Davison (c & p) ( „ b ? 1 ; 3 ; 1 ' 

 100 ft. ; I 6 - 6. 4. 1-2. 



<J. Pajares, Leon, Spain. 0. Thomas (p). 8. 2. 9. 86. 



(N. Gonzales.) 

 6, 9. Bejar, Salamanca. 0. Thomas (p). 8. 2. 9. 87-88. 



(N. Gonzalez.) 

 2 6, 9. Silla, Valencia. 0. Thomas (p). 8. 2. 9. 91-93 



(W. Gonzalez.) 

 6, 9. Alcoy, Alicante. 0. Thomas (p). 8. 2. 9. 89-90. 



(N. Gonzalez.) 

 6, 9. Jena, Thtiringen, Ger- Prof. K. von Barde- 91. 4. 4. 1-2. 

 many. leben (p). 



2 i, 2 9. Roggwil, Thurgau, Swit- 0. Thomas (p). 2. 8. 4. 39-42 



zerland. 



(E. H. Zollikofer.) 

 6. Bodensee, Switzerland. 0. Thomas (p.) 2 8 4 38 



(E. H. Zollikofer.) 

 9. Corfu, Greece. (C. Mottaz.) J. I. S. Whitaker (p). 8. 10. 1. 30. 

 2 9. Argostoli, Gephalonia. J. I. S. Whitaker (p). 8.10.1.38-39. 



(C. Mottaz.) 



Genus MUS Linnaeus. 



1758. Mus Linnaeus, Syst. Nat., 1, 10th ed., p. 59 (musculus, by tautonymy). 

 1814. Mzisculus Rafinesque, Preces des Decouv. et travaux Somiologiques, 



p. 13 (Substitute for Mus). 

 1837. Leggada Gray, Oharlesworth's Mag. Nat. Hist., i, p. 580, November, 



1837 (L. booduga Gray and Mus platythrix Bennett). 

 1844. Drymomys Tschudi, Fauna Peruana, p. 178 (D. parvulus Tschudi = 



Mus musculus Linnaeus. See Palmer, Index Gen. Mamm., 



p. 246, 1904). 

 1857. Mms Blasius, Saugethiere Deutschlands, p. 309 (part). 

 1876. Nannomys Peters, Monatsber, k. preuss. Akad. Wissensch. Berlin, 



p. 480, August, 1876 (N. setulosus Peters). 

 1881. Acromys Trouessart, Bull. Soc. d'Etudes Sci. d' Angers, x, p. 133 



(Synonym of Drymomys wrongly attributed to Wagner. Sec 



Palmer, Index Gen. Mamm., p. 246). 

 1896. Pseudoconomys Rhoads, Proc. Acad. Nat. Sci., Philadelphia, p. 531, 



December 8, 1896. Mus (Pseudoconomys) proconodon Khoads. 

 1900. Dryomys Philippi, An. Mus. Nac. de Chile, xiv, p. 20 (modification 



of Drymomys Tschudi). 

 1910. Mus Miller, Proc. Biol. Soc. Washington, xxm, p. 59, April 19, 1910. 



Type species. — Mus musculus Linnaeus (by tautonymy). 



Geographical distribution. — Originally confined to the tropical 

 and temperate portions of the Old World ; now essentially 

 cosmopolitan through artificial dispersal of the type species. 



Characters. — In general like Epimys, but mechanical scheme 

 of molars modified by the elongation of crown of anterior tooth 

 until it forms the main portion of tooth-row ; m l with three 

 roots, its crown decidedly longer than those of two succeeding 

 teeth combined, its first lamina much distorted by the displace- 

 ment backward of /l into line with to and (6 ; m-' j small and 



