. A history of British mammals . e rather large and include vestiges of cusps 6, 7,and n. The British representatives of this group are :— A. sylvaticus, Britain, Ireland, and many of the smaller islands (including Skye and Bute).A. Jiebridensis, Hebrides (exclusive of Skye and Bute).A. Jiirtensis, St Kilda. , Fair Isle and Mid Yell, , South Britain. Of these forms A. sylvaticus shows a tendency to split up intoseveral local races or sub-species within the British area. A. hebridensis,hirtaisis, fridariensis may be regarded as local developments fromth
. A history of British mammals . e rather large and include vestiges of cusps 6, 7,and n. The British representatives of this group are :— A. sylvaticus, Britain, Ireland, and many of the smaller islands (including Skye and Bute).A. Jiebridensis, Hebrides (exclusive of Skye and Bute).A. Jiirtensis, St Kilda. , Fair Isle and Mid Yell, , South Britain. Of these forms A. sylvaticus shows a tendency to split up intoseveral local races or sub-species within the British area. A. hebridensis,hirtaisis, fridariensis may be regarded as local developments fromthe primitive sylvaticus stock of the region, which appear to haveresulted from the segregation of this stock upon small islands; thecharacters which distinguish them from the parent stock are slight, andall three might well be regarded as mere sub-species of sylvaticus wereit not for the fact that Jiebridensis and fridariensis have in turn under-gone a further differentiation into a number of quite recognisable and PLATE XXVIII. Fig. Fig. 6. For explanation of Figures, see overleaf. VOL. 11.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmammals, bookyear1910
