92 : TRICHOLOGIA MAMMALIUM; 2 
J me 
Or Dyeine Pie.—lIt is reasonable to suppose that, in the process of dyeing, the color- 
ing matter enters between the scales of pile, and if this be the case, that wool, owing to the 
scales being more open, will take the dye with greater facility and in greater abundance 
than hair. 
It is also probable, for a similar reason, that wool in the natural state, will take the dye 
more effectually than it will alter it has been felted or fulled. This may be the reason 
why ‘dyeing in grain,” as ‘it is termed, is preferred. Among a collection of pile speci- 
mens, presented by H.C. Merriam, Esq., are some denominated ‘“ Black. Sea wool,’ to 
which is attached a memorandum that zt wll not take colors. It is in three parcels, white, 
black and mixed; the first, when a transverse section is viewed under the microscope, shows 
two varieties, viz: an oval or an eccentrically elliptical shape, with an external white 
line, then a dark line and a centre of white fibrous substance ; 2d, a cylinder with a white 
hne enclosing a dark one, and a white fibrous centre; diameters, 31, by 31, and 31, by 
xtyz- The 2d. parcel is cylindrical, or an ellipse slightly concave on its flats sides; colors 
the same as above, or black with a white centre; diameter, ,1,. ‘The 3d parcel cylindrical, 
white or black external outline comparatively large, black intermediate substance with a 
minute white centre; diameter, ;4 
5 
