258 



U. . P. R. R. EXP. AND SURVEYS ZOOLOGY GENERAL REPORT. 



legs, the sides of the head, the anterior portion of the ears, the anterior and posterior edges of 

 the fore limbs 'externally, a narrow line across the flanks, and the exterior surface of the hind 

 feet extending a short distance up on the leg, are of a yellowish brown; the fore feet are 

 grayish ; the whole under parts are clear white tinged with ashy posteriorly, the hairs being 

 uniform white to their bases. Above, the hairs are dark lead color at base, then light brownish 

 yellow, then black and tipped with ashy white, except where the yellowish brown markings are 

 seen, when this color forms the tip. 



The tail is rather flat and distichous, not bushy ; viewed from below, the hairs extended, the 

 ground color is brownish yellow, with three narrow and well defined lines of black on each 

 side, margined for rather more than one-fourth with white. The inner black line is some 

 distance from the central line of the tail. The upper part of the tail has the hairs as on the 

 sides, with perhaps fewer annulations, and a few interspersed which are black except at tip ; 

 the prevailing tint above is a mixed heavy black and yellowish brown. 



Another specimen agrees in every respect, except that the ground color of the tail is darker. 



Measurements. 



In the preceding portion of this article I have described, at considerable length, fresh speci 

 mens of the common gray squirrel of the United States. As is well known, Dr. Bachman has 



