1'hoto by T. A. Metcalfc. 



LONG-TAILED FIELD OR WOOD MOUSE 

 (Mus sylvaticus). 



HARVEST MOUSE (Mus minutus}. 



Photo by T. A. Metcalfe. 



RED BANK VOLE (Evotomvs glareolus). 



Photo by \V. J. Clarke 



BLACK RAT (Mus ratlus). 



To face p. 242. 



