1906.] 



IN MEXICAN LIZARDS. 



291 



across Guanajuato to Puebla, and in Southern Mexico, below the 

 plateau, we find an abundance of vai'ious kinds. 



Text-fig. 67. 



3 4 3 4-321 



4-321 



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Evolution of Pattern of C. immutahiUs A to E, and of 

 C. giittattis from youth F to old age I. 



Text-fio-. 68. 



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Evolution of Pattern of C. scalaris from youth to adult ; cf. text-fig. 76, p. 336. 



There is a great gap in the map without any Cnemidojihorus, 

 Proc. Zool. Soc— 1906, Vol. I. ^"o. XX. 20 



