INTRODUCTION. 



In the present -volume, which concludes the account of the Lizards, 

 tho species of the families Lacertidce, Gerrhosauridce, Scincidce^ 

 Anehjtropid(.v, Dibamidce, and Chamceleontidce are described. The 

 following tables show the increase in the number of species known, 

 and of species and specimens represented in the British Museum, 

 since the publication of the last general works on the subject. 



Number of Species characterized 



Families. by Dum. & Bibr. by Gray. in present volume. 



Lacertidae 43 57 97 



Gerrhosauridae 6 9 15 



Scincidie 87 132 373 



Anelytropidae 1 2 6 



Dibamidae 1 1 2 



Chamaeleontidae 14 18 49 



Total 152 219 542 



Number of Species and Specimens in the 

 British Museum iu 

 1845. 1886. 



