1906.] 



IN MEXICAN LIZARDS. 



311 



greater number of pores does not always coi-respond with a oreater 

 proportionate length of the thigh, since in many cases of small 

 nnmliers the pores stop short a considerable distance above the 







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knee, leaving a gap instead of going right down to the knee. 

 However, other things being equal, the greater number of pores 

 corresponds with a greater length of thigh. 



