590 Mr. Sabine's Account 



The specimen was obtained at Carlton-House, was noted as a 

 male, and as inhabiting holes in the ground. 



The specific name is a tribute to the merits of Dr. John Rich- 

 ardson, who went out with the Expedition as a Naturalist, and 

 to whose attention and care we are indebted for these additions 

 to our zoological knowledge. 



Arctomys Hoodii. Striped American Marmot. 



A. auriculis brevissimis, rostro acuto, cauda mediocri, corpore 

 supra striis parallelis alternatim fuscis albo guttatis. 



Tab. XXIX. 

 Length about seven inches and a half from the nose to the inser- 

 tion of the tail. Top of the head broad and flat, obscurely 

 marked with alternate stripes of dark brown and dingy white ; 

 nose tapering and very sharp, covered with light brown 

 hairs ; ecws small and very short ; cheeks swollen, covered 

 with dingy light hairs ; longish whiskers, growing between 

 the nose and the eyes, and similar rigid hairs over the eyes; 

 throat dingy as the cheeks : upper fore-teeth short and 

 thick ; under much longer and narrower. The whole upper 

 part of the body marked longitudinally with alternate dark 

 brown and dingy white stripes ; the dark stripes twice the 

 breadth of the light, and dotted at even distances the whole 

 length in their centre with small spots of dingy white ; there 

 is a dark stripe in the centre of the back, and it is rather 

 broader than the others, of which there are three on each 

 side ; but the lowest on each side is not distinctly defined or 

 spotted : the whole under- parts are of a dingy white, slightly 

 tulvous; the tail is two inches long, indistinctly banded with 

 dark brown and clingy white ; the tip being of the latter hue. 

 The fore-legs are short and small, covered with light hairs: 



the 



