. A history of British mammals . length : of nasals, 6-6 to 7-4 ; of diastema, 6-8 to 7-8 ;of mandible, 15-2 to i6-2; of maxillary tooth-row, 5-8 to 6-4; ofmandibular tooth-row, 5-8 to 6-4. Grass Mice^ are grreo-arious and sociable animals, restricted o o under normal circumstances to a diet of green stuff, preferably For an excellent account of the habits of Grass Mice, see Victor Fatios LesCatnpagnoles dti Lcman. THE COMMON GRASS MOUSE 447 the succulent bases of grass-stalks.^ They are, however,capable, when opportunity or necessity arises, of adopting atleast partially the omnivorous propen


. A history of British mammals . length : of nasals, 6-6 to 7-4 ; of diastema, 6-8 to 7-8 ;of mandible, 15-2 to i6-2; of maxillary tooth-row, 5-8 to 6-4; ofmandibular tooth-row, 5-8 to 6-4. Grass Mice^ are grreo-arious and sociable animals, restricted o o under normal circumstances to a diet of green stuff, preferably For an excellent account of the habits of Grass Mice, see Victor Fatios LesCatnpagnoles dti Lcman. THE COMMON GRASS MOUSE 447 the succulent bases of grass-stalks.^ They are, however,capable, when opportunity or necessity arises, of adopting atleast partially the omnivorous propensities of the Bank Mouse,and are frequently unable to resist the temptation offered bya dead body, even of one of their own kind. For thesatisfaction of their wants, therefore, many different kinds ofcountry are suitable, the main requirement being plenty ofgrass, which may be of any coarse kind, for their teeth areexcellent slicing organs. They may be found in pastures,especially in those damp or wet places where growth is most. Fig. 69.—Plan of Runs of Grass Mice under a fallen notice-board, 23rd January1910. Diagrammatic, from sketches by L. E. Adams. N, and N., nursery, with young andnest in each ; scale 8 feet. luxuriant ; on salt marshes ; amongst the marram-grass of sea-beaches ; on moors and mountains and, es2:)ecially in winter, inopen patches in woods, or on grassy hedgerows in almost everyconceivable situation. Where vegetation is thick they construct a labyrinthinenetwork of runs, apparently the common property of the Hence they can rarely be induced to enter a trap containing the usual baits, butare attracted by carrots (L. E. Adams) or bulbs of yellow crocus (W. R. Ogilvie-Grant), neglecting those of any other colour. They are easily caught in unbailedtraps so placed in their runs that the animals attempt to pass through them. - G. T. Rope {Zoologist, 1873, 3610) found them very numerous on small grassyislands ; and abundant and attaining a very large size on a


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmammals, bookyear1910