388 APPENDIX 



Mas musculus. The Common Mouse. 



(Universally distributed throughout the British Islands.) 

 Mus sylvaticus. The Long-tailed Field Mouse. 



(Five sub-species or varieties are found in the British Islands, 

 one of which {M. s. hirtensis) is limited to the island of St. 

 Kilda, and another {M. s. hebridensis) to the islands of Lewis 

 and Barra in the Outer Hebrides. A third variety {M. s. 

 celticus) is restricted so far as the British Islands are con- 

 cerned to the south and west of Ireland, the Hebrides, and 

 the island of Skye. A fourth variety {M. s. wintoni) is 

 restricted to the southern half and the north-east of England. 

 The fifth form {M. s. intermedius) is found pretty widely dis- 

 tributed over Great Britain and Ireland, the Isle of Man, 

 and the Channel Islands.) 

 Mus minutus. The Harvest Mouse. 



(Absent from Ireland, and its distribution mainly confined to 

 England and Wales, together with a small portion of Eastern 

 and Southern Scotland.) 

 Microtus agrestis. The Field Vole. 



(Absent from Ireland. Common throughout Great Britain and 

 some of the nearer Hebrides.) 

 Microtus amphibius. The Water Vole. 



(Absent from Ireland, common throughout Great Britain.) 

 Evotomys glareotus. The Bank Vole. 



(Absent from Ireland, and restricted in its distribution to 

 England, Wales, and the southern half of Scotland.) 

 Myodes lejfwius. The Lemming. 



(Extinct. Inhabited England, Ireland, and possibly Wales in 

 the Pleistocene Period.) 

 Cuniculus torquatus. The Banded Lemming. 



(Extinct. Inhabited Southern and Eastern England in the 

 Pleistocene Period.) 



Order, UNGULATA. HOOFED MAMMALS. 



Sub-Order, PROBOSCIDEA. ELEPHANTS. 



Family, ELEPHANTID^. 



(Elephas meridionalis, the Southern Elephant, and Elephas antiquus, 

 both of them belonging to the African group of the True 

 Elephants allied to Elephas africans at the present day, 

 inhabited Southern England at the beginning of the Pleistocene 

 Period.) 



