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48 



DARWINISM 



CHAP. 



M Necl< 



Lacerta ocellata 



^^1^^. _ Hind Legs 



^^^^K^^m^^m^^ Tail 



M ....JJeck 



, , • . ,- )mmmmim^ Body 



Lacerta uiridis ' ,,. , , 



^._ Hind Legs 



mmm^mmmmti-Jail 



M- Neck 



Lacerta agilis " ° ^ 



M. Jfind Legs 



^■1 JJeck 



Lacerta muralis 



^■■■^^ JJind Legs 



^^■^^IMIIHHHil^^^ Tail 



L Jleck 



Lacerta uelox ^ , 



^■■■C. .Hind Legs 



M Tail 



N<- Neck 



Lacerta deserti ' ° ^, 



pmt. _ ..Hind Legs 



k^HMMHl^HHHHHHi^HK Tail 



Length of Head ^am^^^mmmH taken as the 

 standard in each of the aboue -named species 



Fio. 2. — Variation of Lizards. 



