
“CONTENTS OH ENR XV. 
. GERALD EDWIN HAMILTON BARRETT-HAMILTON: AN 
APPRECIATION : ; ; é ‘ . Front 
RODENTIA (Rodents)— 
Group JVicrote— 
Genus Evotomys— 
The Bank Mouse : : : - 409 
The Skomer Bank Mouse : F 5) 409 
Alston’s Bank Mouse : ; ; : 5 lee) 
The Raasay Bank Mouse : ; : 2 9424) 
Genus MWicrotus ‘ : : : : 25 
Sub-genus Microtus 5 ‘ . : 7 18426 
Group Agrestis . : : ; . 428 
The Northern Grass Mouse ; : 2) 3429 
MacGillivray’s Grass Mouse . » 1432 
The Hebridean Grass Mouse : : 5 leyl 
The Eigg Grass Mouse . : d . 438 
The Highland Grass Mouse ; : ; - 439 
The Muck Grass Mouse . : . ean 
The Common Grass Mouse : é : 5 a 
Group Orcadensis . : : : : : x 2S) 
The English local names have been revised in part by Mr W. W. Skeat, 
M.A. (assisted by the late Professor W. W. Skeat), and in part by 
Mr C. M. Drennan, M.A. Lond., late Scholar Emm. Coll. Camb. ; 
the Celtic and Gaelic names by Dr E. S. Quiggin, M.A., Ph.D., 
Fellow and Lecturer tn Modern Languages and Celtic of Gonville 
and Caius College, Cambridge; while a list of Scottish Gaelic 
names has been supplied by Mr C. H. Alston. Valuable 
assistance has been rendered by Mr M. A. C. Hinton regarding 
extinct Mammals. Much information has been taken Jrom Mr 
G. S. Millers recently published “ Catalogue of the Mammals of 
Western Europe,” the use of the MS. and proofs of which 
before publication was kindly permitted by the Trustees of the 
British Museum of Natural Fistory. 
ILLUSTRATIONS 
FULL-PAGE (Coloured and Black and White). 
British M/ccrotene (Skins); (1, 2) Arvicola amphibia amphibia ; (3) A. a. 
reta; (4,5) Evotomys glareolus ; (6,7) E. skomerensis. (Coloured). 
Gerald Edwin Hamilton Barrett-Hamilton. 
The Water Rat—(1) Left Ear; (2) Left Hand and (3) Left Foot; 
Tail. : 
2 FIGURES IN TEXT. Zeeesonian Insta. 
Cheek-Teeth of Evotomys skomerensts. of 2 
Diagrams of (1) Burrows of Bank Mouse; (2) A General Murine} & 
Highway in a Hedgerow. \ 7 
Right Cheek-Teeth of Mzcrotus agrestis. ‘ se Hm ugg 
Dorsal Views of Adult Skulls of A7zcrotus agrestis Group. ae 
Right #2! of Mecrotus agrestis exsul. 
Sleeping-places of A/zcrotus agrestis exsul. 
Plan of Runs of Grass Mice under a fallen notice-hoard (diagrammatic). 
Horizontal Section of Run of Grass Mouse passing under a Log. 
Plan of Runs of Grass Mice in Coarse Grass. 
Dorsal Views of Skulls of MWzcrotus orcadensis. 
