2. CHIEONECTES. 369 



itout and long, placed in tufts, of which there is one above each 

 sye, one on each cheek below and in front of the base of the ears, 

 md a single median one on the throat between the rami of the 

 ower jaw ; all these in addition to the usual whiskers on the sides 

 )f the muzzle. Whole of muzzle, a band running through the eye 

 ;o below ear, and top of crown deep blackish brown, a prominent 

 jreyish-white crescentic band passing from the front of one ear to 

 the other round just above the eyes. Arrangement of back marblihgs 

 fairly constant, and consisting of a single black line running from 

 the crown to the base of the tail, and expanding laterally into four 

 aroad well-defined transverse patches placed respectively over the 

 shoulders,' centre of back, loins, and rump, the ground-colour between 

 them pale slaty grey. Chin, chest, and beUy pure white. Arms 

 a,nd legs white inside, greyish out, but the legs with a continuation 

 af the posterior dark body-band running down their backs to the 

 tieel. Hands and feet nearly naked, brown proximaUy, sUvery 

 grey on the digits. Palms and soles (PI. XXVIII. fig. 8) with 

 scarcely a trace of pads, uniformly finely granulated. Tail long and 

 strong, furry for the basal inch or two inches, the fur ceasing.sooner 

 in the median line above and below than on the sides ; the remainder 

 Dearly naked, coarsely scaly ; deep black proximaUy, yeUowish 

 terminally. 



Skull much resembling that of Didelphys (MetacMrus) opossum, 

 with which its measurements have been placed for the sake of com- 

 parison {swpra, p. 341). Nasals markedly expanded behind. In- 

 terorbital space broad, flattened, square-edged. Postorbital pro- 

 cesses prominent, early developed ; temporal ridges soon coalescing 

 and forming a crest in old age. Zygomata strong, widely expanded 

 Laterally. Posterior palate with a single pair of large vacuities 

 Dpposite the molars, but without the smaller central pair behind. 

 Posterior nares narrow, as in D. opossum. 



Teeth in structure and size quite as in Bidelphys, except that p.', 

 both above and below, is larger in proportion, filling up the gap 

 between the canines and p.^ Upper premolars evenly increasing 

 backwards, p.' about half the bulk and three fourths the height of p.* 

 Lower p. as long horizontally, and two thirds as high as p.* ; the 

 latter rather less than p.^ in each direction. 



Dimensions. 

 2- 



h (stuffed). 



Adult. 



millim. 

 Head and body . . 325 



Tail 395 



Lower leg 74 



Hind foot 72 



Muzzle to eye . . (c.) 32 



Ear 22 (dried and contracted) 



Skull, see p. 341. 



2b 



