VI 



IlfTRODirCTION. 



Number of Species and Specimens in the 

 British Museum in 

 1845. 1885. 



Species. 



Iguanidse 83 



Xenosauridae .... — 



Zonuridce 6 



Anguidse 16 



Anniellidae — 



Helodermatidae . . 1 



Varanidse 21 



Xantusiidas — 



Teiida? 21 



Amphisbsenidee . ... 9 



Total.. 157 



462 



375 



233£ 



Department of Zoology, 

 November 13, 1885. 



G. A. BOULENGER. 



