PITYMVS 759 



1900. [Arvicola acjreslis] fiisca Fatio, Rovuc Suisse cle Zool., vin, p. 472 

 (Untervats, Grisons, Switzerland). Sec Mottaz, Bull. Soc. Zool. 

 de Geneve, i, p. 15'J, November 15, 1908. 



1907. Pitijnujs subterraneiis Mottaz, M6m. Soo. Zool. de Prance, xx, p. 27, 

 September, 1907. 



1910. Pitijmijs subterraneiis Trouessart, Faunc Mamm. d'Europe, p. 185. 



Type locality. — Waremine, Liege, Belgium. 



Geographical distrihufion. — From Belgium and northern 

 France eastward through .Switzerland to Transylvania. Limits 

 of range not well understood. 



Diagnosis. — Colour dark and clear; brain-case showing no 

 marked tendency to become unusually broad and flat. 



Measurements. — Adult male from the type locality : head and 

 body, 98; tail, 31; hind foot, 14-6; ear, 8. Adult male and 

 female from St. Cergues, Vaud, Switzerland : head and body, 

 105 and 101 ; tail, 31 and 32 ; hind foot, 15 and 15-4. Average 

 and extremes of six adults from Andermatt, Uri, Switzerland : 

 head and body, 97 (94-100) ; tail, 37-3 (35-39) ; hind foot, 14-8 

 (14' 6-15). Adult male from St. Moritz, Grisons: head and 

 body, 94; tail, 31-4; hind foet, 14" 4; ear, 9. For cranial 

 measurements see Table, p. 761. 



Specimens examined. — Seventy-one, from the following localities : — 



Belgium : Waremme, Li6ge, 13 (B.M. and U.S.N.M.) ; no exact 

 locality, 1 (Lataste). 



Feance : Near Boulogne, Pas-de-Calais, 3; Dinan, Cotes-duNord, 1 ; 

 Etupes, Doubs, 2 (B.JM. and Mottaz) ; Les Lignerets, Orne, 1 (Mottaz). 



Switzerland : Near St. Cergues, Vaud, 4 (U.S.N.M. and Mottaz) ; 

 Bioux, Vaud, 1 (Mottaz); Sengloz, Vaud, 1 (U.S.N.M.); Vidy, near 

 Lausanne, Vaud, 1 (Geneva) ; Les Plans, Vaud, 1 (Geneva) ; Andermatt, 

 Uri, 20 (U.S.N.M. and Mottaz) ; Schellenen, near Goscheuen, Uri, 6 

 (Mottaz) ; Furka Pass, Uri, 1 (Mottaz) ; Murgsee Eegion, St. Gallon, 3 

 (U.S.N.M. and Mottaz) ; St. Moritz, Grisons, 2 (Geneva) ; Poschiavo, 

 Grisons, 1 (Mottaz) ; Untervats, above Chur, Grisons, 1 (St. Gallen ; type 

 of fusca Fatio). 



AusTBiA-HuNGARY : Hatszeg, Hunyad, Hungary, 8. 



4 & 2 al. Liege, Belgium. Baron E. de S61ys- 37. 1. 3. 170-171, 



Longchamps (c & p). 174-175, 177^178. 

 4. Li(5ge. {de Sehjs- G. R. Waterhouso (p). 44. 10. 4. 15-18. 

 Longchamps). 

 2 6,19. Boulogne, Pas -de - 0. Thomas (c & p). 98. 1. 9. 21-23. 

 Calais, France. 

 6. Etupes, Doubs. (C. O. Thomas (p). 8. 8. 10. 130. 



Mottaz). 

 7 J, 1 ?. Hatszeg, Hunyad, C. G. Danford (c). 3. 11. 8. 44-51. 



Transylvania. 



