412 Notice of two Marmots. [No. 137 



(If inch). Culminal line of the head considerably arched along the 

 nasal bridge, at the end of which the curve is lost in the prominence 

 of the orbits, and subsequently in the fatness of all the cerebral part of 

 the head, muzzle nude in front only, and not grooved. Upper lip not 

 cleft, but full and incurved to the sides, so that the inside or palate is 

 partially hairy. Lower lip very short and adpressed, nares short, 

 ovoid, scarcely angulated or turned to the sides. Incisors very strong, 

 white, rounded anteally, the upper pair directed nearly downwards, the 

 lower pair forwards in a small crescented curve from the bases, where 

 a large mass of gland is found on dissection, but no cheek pouch. 

 Molars five-fourths, the first above unicuspide, and furnished with one 

 tubercle on the subconic crown : the rest with broad transverse crowns, 

 either cupped between four tubercles at the corners, or sunk within a 

 horse-shoe ridge, the ends of which point to the cheek. Mustachios 

 longish reaching to ears, not rigid, but very elastic. A similar but 

 smaller tuft on each cheek, and above and before each eye, and others 

 still smaller on the chin and behind the carpus, as well as before it or 

 in front of the arm. Eyes medial, midway from snout to ear, pupil 

 oblong. Ears small, erect, rounded, as broad at top almost as below, 

 and very simple in structure, or devoid of all membranous processes. 

 Helix inflected anteally, but not fissured posteally, and moderately 

 clad, inside and out, as far down as the conch, the longest hairs forming 

 a fringe along the upper margin, but not so that the ears can be called 

 tufted. Body full, moderately elongated : limbs medial, plantigrade, 

 ambulatory, of moderate subequal strength before and behind. Fore- 

 arm about as long as the hand, including the wrist and nails. Palm 

 wholly nude, soft, pretty full with two large subtrigonal basal or carpal 

 pads, the inner of which supports and envelopes the rudimentary thumb, 

 which has however its tip free and furnished with an andromorphous 

 nail. There are three round terminodigital balls for the four fingers 

 which are gradated as in man's hand, but have their bases connected 

 by a distinct crescented membrane. Behind the digits are about as long 

 and as stout as before, and are similarly connected by membrane, but 

 the fifth digit or thumb is here fully developed and free, as long 

 proportionately as in our hand, but rather feebler than the other digits, 

 and having like them an anteal, not antagonistic position. The sole is 

 nude to the heel, and about twice as long as the longest digit, soft and 



