01 2 3 4 5 6 0^ 



Fig. 223, A, B. — Transformation of Cartesian co-ordinates from Diodon, A, to the closely 

 related Orthagoriscns, B (from Thompson, Growth and Form, 1917)- 



B 



Fig. 224, A-C. — Transformations from human skull, .1, to skull of chimpanzee, B, and 

 baboon, C (from Thompson, Growth and Form, igij). 



