ARVICOLA 749 



Switzerland : Geneva, 9 (B.M. and Mottaz) ; Nyon, Vaud, 1 (Mottaz) ; 

 Chesieres, Vaud, 2 (Mottaz) ; St. Cergues, Vaud, 1 (Mottaz) ; Lausanne, 

 Vaud, 2 (U.S.N.M.) ; Les Plans, Vaud, 10 (U.S.N.M.) ; Meiringen, Berne, 

 6 (U.S.N.M.) ; Vitznau, Lucerne, 2 ; St. Gallen, 13 (B.M. and U.S.N.M.) ; 

 Mels, S. Gallen, 4 (U.S.N.M.) ; Zuberwangen, St. Gallen, 2 (B.M. and 

 U.S.N.M.); Roggweil, Thurgau, 3 (U.S.N.M.); Fribourg, 1; no exact 

 locality, 3. 



Austbia-Hongaby ; Mittelberg, Vorarlberg, 1. 



Bemarhs. — This form is immediately distinguishable from 

 A. scherman scherman by its smaller size, yellower colour, and 

 more complete adaptation to underground life. Its habits so 

 far as known are strictly terrestrial and mole-like. 



2 <J. Cranves-Sales, Haute-Savoie, A. Robert (c & p). 5. 4. 9. 6-7. 

 Prance. 



3 S, 3 9. Cranves-Sales, Haute-Savoie. 0. Tbomas (p). 5. 11. 18. 18-23. 



1200 m. (A. Robert.) 



2. Montauban, Haute-Savoie. A. Robert (C & p). 97. 1. 9. 5-6. 



1. Geneva, Switzerland. Baron de Selys- 55. 12. 24. 358. 



Longchamps (p). 



c5, 9. Vitznau, Lucerne. O. Tbomas (c & p). 5. 8. 3. 19-20. 



S. Zuberwangen, St. Gallen. O. Tbomas (p). 2. 8. 4. 48. 



(E. H. Zollikofer.) 



4 (5, 4 9. St. Gallen. (E. H. Zollikofer.) O. Tbomas (p). 10. 8. 16. 1-8. 



(10. 8. 16. 8. Type of subspecies.) 

 1. Fribourg. L. O. Galliard (p). 75. 9. 20. 1. 



1. Switzerland. Baron de Selys- 45. 7. 5. 5. 



Longcbamps (p). 



2. Switzerland. (Moschler.) B. R. Alston (p). 79. 9. 25. 47-48. 

 1. Mittelberg, Vorarlberg, Aus- 0. Tbomas (p). 8. 11. 30. 17. 



tria-Hungary. (Dr. Major.) 



Arvicola scherman monticola de Selys-Longchamps. 



1838. Arvicola monticola de Selys-Longchamps, Revue Zoologique, p. 249. 



1839. Arvicola monticola de Selys-Longchamps, Etudes de Micromamm., 



p. 92, pis. I and n, fig. 3. 

 1858. Arvicola amphibius,c. A[rvicola'] terrestris auct., Blasius, Saugethiere 



Deutschlands, p. 355 (part). 

 1910. Arvicola scherman' monticola Miller, Proc. Biol. Soc. Washington, 



xxin, p. 22, March 23, 1910. 

 1910. Arvicola scherman monticola Trouessart, Paune Mamm. d'Europe, 



p. x. 



Type locality. — St. Bertrand de Comminge, Hautes-Pyrenees, 

 France. 



Geographical distribution. — Pyrenees and their immediate 

 neighbourhood (known at present from the French side only) ; 

 Puy-de-D6me 1 



Diagnosis. — like Arvicola scherman exitus, but auditory bullae 

 usually larger and more evenly inflated, and first lower molar 

 with anterior loop longer and narrower than in the Alpine form. 

 Habits strictly terrestrial, mole-like. 



