1890.] NATURAL SCIENCES OF PHILADELPHIA. 19 



The base oj the prebracTiium and the chest thence to the middle of 

 the ventre of a peculiar dusky shade of color which appears to be 

 intermediate between the color of the side of the neck and that of 

 the chest and abdomen. 



The side of trunk with long soft black hair with ashy tips ; it is more 

 woolly than on the chest and abdomen. 



The back is occupied by a narrow tract of appressed, black hair 

 with grizzled tips. 



Sacrum iron-gray, — same color of fur extends on the posterior 

 extremities to the upper third of the legs. The texture is distinctly 

 woolly. 



The chest and abdomen covered with short slightly woolly hair 

 of a dark smoky black color with ashy tips. 



The hair below the anus does not differ from that of the abdomen. 

 A few hairs are seen on the dorsal surface of the endoiiatagium. 



(2) Adult skin. (No. 6538.) 



As in preceding. The crown is more red, the black hair of the 

 neck below the mandible forming a long distinct " cowlick " in the 

 middle, and extending back on the line of the ears. Line of side of 

 neck with basal plumbeous color. 



No intermediate color between the mantle and the color of the 

 chest and abdomen. 



The bases of the hairs dark plumbeous on the crown and back of 

 mantle. 



(3) Adult skin. A male (No. 6541). 



Red color extending entirely over the crown, below the eye and 

 by a broad " whisker " to the surfiice between rami of the man- 

 dible. The black color of the face is confined, indeed, to the muz- 

 zle. The nape of the neck and the mantle is of a much lighter 

 shade of red than the side of the neck and the crown. The shafts 

 of the hair everywhere unicolored. 



(4) Young adult skin. A male (No. 3668). 



The black shades prevail. The crown, sides of face, front of neck, 

 hair on humerus, space between the mandibular rami, being this 

 color. The black hair of the abdomen tipped with brown instead 

 of gray. 



Fteropus maklotii. 

 An adult skin. 

 Crown of head tawny, the basal half being black. 



