LENGTH 



97 



equal to two and a half times the length of his head, and whether it is 

 more or less will depend upon the length of the spine on the one hand, 

 and the extent, direction, and relations of the shoulder and croup on the 

 other. It is to De Saint-Ange ^ that we owe the figurative expression of 

 these interesting facts, as shown in the following illustrations. 



Fig. 72. — Compensation for Excessive Length 

 After Goubaux and Barrier. (By permission of Messrs. Lippincott) 



Comparison of diagrams 1 and 2 (fig. 71) will show how the length of 

 the ])ody is influenced by each of tliese causes. 



Both the animals represented in the illustration are of equal length, a d, 

 AD, but both exceed the stipulated two heads and a half from one extremity 

 to the other. The excess of this dimension in diagram 1 is clearly the 

 result of undue length of the back, or dorso-lumbar portion of the spine, 



^ De Saint-Anse, fours d' hinpoloaie, t. i, p. 154; Saumur, 1850. 

 VOL. I. ^ If J ' ' t , ^ 



