86 



HISTORY OF THE HUMAN BODY 



various mammals, as previously noticed, a more definite proof 

 of the former completeness of the scaly coat is found in the 

 relationship between scales and hairs in scaled areas, and in 



a 



FIG. 20. Hair arrangement in various mammals. Diagrammatic. [After 

 DE MEIJERE.] 



(a) Myopotamus (South American rodent). Tail, with scales and hairs, (b) Mid:is 

 (Brazilian monkey). Back. (c) Sus vittatus (pig). Back. The finer bristles are 

 left out upon the right side of the picture, (d) Ccelogenys paca (the " paca," a 

 South American rodent). Back, (e) Dasyurus viverrinus (Australian marsupial). 

 Back, (f) Loncheres cristata (South American rodent, allied to Myopotamus). Back. 



the arrangement of the hair in other places. If almost any 

 scaled surface be examined, the tail of the rat for example, it 



