CONTENTS OF PART XVIII. 
RODENTIA (Rodents)— 
Genus Iicromys— 
The Harvest Mouse 
Genus Efziys— 
1. The Black or Ship Rat 
(1.) The Black Rat 
(2.) The Alexandrine Rat 
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 in 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. Much information 
has been taken from 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 History. 
ILLUSTRATIONS 
FULL-PAGE (Coloured and Black and White). 
British MWurzde@ (Skins). Coloured. 
Harvest Mouse. 
599 
The Black or Ship Rat. (1) Left Ear; (2) Left Hand; (3) Left Foot. 
(Twice life size.) 
FIGURES IN TEXT. 
Skulls of dpodemus and Micromys. 
Skull and Mandible of Epzmys rattus (life size). 
