Fur tawny red above; white beneath: tail bushy, the length of the body.
M. avellanarius, Desm. Mammal, p. 295. Flem. Brit. An. p. 22. Dormouse, Penn. Brit. Zool. vol. i. p. 110. Shaw, Gen. Zool. vol. ii. p. 167. pi. 154.
Length of the head and body two inches ten lines; of the head eleven lines and a half; of the ears four lines; of the tail two inches eight lines.
Head broad; nose blunt; eyes black, large, and prominent ; ears broad, oval, rounded at the extremity: body plump: hind legs not disproportionably longer than the fore; toes four in front with the rudiment of a thumb, five behind: tail very long, somewhat flattened horizontally, thickly clothed with hair on every side. Colour of the upper parts bright tawny red; under parts white, with here and there a yellow tinge: tail red throughout.
Not uncommon in some parts of the country, frequenting woods and thick hedges. Less active than the squirrel: food similar. Builds in the hollows of trees, and produces from three to four young. Becomes torpid in the Winter.