THE LABRADOR JUMPING MOUSE. 



41 



brador Jumping Mouse of Godman ; and Katse (the 

 Leaper) of the Chepewyan Indians. 



The genus Meriones in dental formula differs in some 

 points from Di'pus. The upper incisors, of a deep orange- 

 colour, are marked with a longitudinal furrow; the 

 molars are four on each side above, and three below ; 

 the first above is very small ; the surfaces of the rest in 

 both jaws are marked with irregular winding lines of ena- 

 mel. (Fig. 24.) The muzzle is narrow and elongated; 

 the ears rounded, the hind-limbs considerably developed ; 

 the tail long, ringed with scales, and thinly covered with 

 short hair. 



The Labrador Jumping Mouse, which was first de- 

 scribed by Pennant in his ' Arctic Zoology,' is very 



■^^ ^^^--s'^^*^"^ 



"^^T: 



•"'^^■^vV^ 



25.— Labrador Jumping Mouse. 



