120 Dr. H. Gadow. Evolution of the Colour-pattern [May 22, 



I. 



2.3,32 



i as sa i 



*%>< 



i as 3 



i a 3 3 



*- 



V. 



/23^v3 



/ 2 3 



/ 2 3 3 



Diagrams showing the evolution of the colour pattern of Cnemidophorus, 

 I. C.guttatus striatus. II. C. guttatus guttatus. III. C. mexicanus. IV. C. 

 bocourti. V. C. <^ei. The numerals 1, 2 3, 4 indicate the identical or 

 homologous white lines or series of spots. 



