OR, A TREATISE ON PILE. 95 
ins) 
A shaving taken from the exterior of the black hair was dark-colored, and one from the 
brownish yellow, was brownish yellow; showing that the coloring matter was in the 
cortex. * 
Remarks.—The delicate dimensions and lustre, smallness of the button, thinness of 
the sheath, and, above all, large number of the vessels of this hair of the body, show the 
thorough breeding of the mare; but the deficiency in ductility and tenacity of the hair of 
the mane, would not indicate much vital power. 
Tail of the Hippopotamus.—This tail is ovoidal; diameter, at the posterior extremity, >> 
of an inch; at the anterior, ;35; color, black; disks exhibit the termination of small, 
irregularly shaped fibres. Fig. 16 represents a transverse section. 
Tail of the Zebra.—This hair is cylindrical and oval; diameter, ;} 
black, except a minute white central spot. 
Tail of the Cerous.—This hair is oval; diameter, 515 by rs7 tapering to 74, by yas. 
Tail of the Arabian Bull—This hair is cylindrical; diameter, ;1, of an inch; cortex, 
black, solid; diameter, 5}; centre sometimes a void canal, and, at others, partly filled with 
a white scaly substance 
Fig. 16—2 represents the disk of the tail of the Elephant. 
of an inch; color, 
5 
* Harr or tHe Bopy.—Leneth, from ;%ths to ~>ths of an inch; greatest diameter, =$5 of an inch; button, quill- 
shaped, white, opaque. Sheath, none; or, if any, adhering so closely to the button as to be undistinguishable. Follicle,— 
had none to examine. Vessels,—numerous, fibrous,—divergent from the lower extremity of the button. Shaft,—oval, 
brownish-yellow or white, lustrous. Cortex,—transversely striated, indicating minute scales. Transverse sections, (or disks, ) 
show a solid yellow ring, with a white centre. Apex, pointed. 
