1906.] 



IN MEXICAN LIZARDS. 



357 



whole thigh ; towards the shouldei'S they become scarcer, and 

 further forwards they disappear, while faint traces of the original 

 pale stripes 1 and 2 remain visible. 



In very old specimens the spots are small and irregular, re- 

 stricted to the lower back, rump, and thighs, the rest of the back 

 being spotless brown with a warm reddish tint. 



Text-fio-. 80. 



CnemidojiJioriis bocourt/ trom Oaxaca. 



There is no doubt that the original stripes become dull and 

 merge into the ground-colour, whilst new spots of pale tissue 

 develop in these stripes, and a row of equally numerous spots is 

 developed in each field and below stripe 1 . The spots remain small 

 and do not become confluent. The evolution of the pattern is 

 the same as that of C. cotiwiunis in general, but it also recalls 

 C. quttatus. Structurally, however, C. hocourii forms the very 



24* 



