The Reptile Book 



Plate XLIII 



STAM;I IV- - ,'. Ill / 



^^^^^^^SA^: 



Abundant in the sterile areas oi the ><iutiiwc^t. Sole the equai-sizcd 

 scales of the back 



Common in Ar-.zitna and New Mexico, Note the rows 

 of enl:irged scales on the back 



CI.AKKN SWII- I' .S •;. ".'■, ,/:r?;; 



One of the largest of the swifts. There is a spot of blue or green in each of the scales on the back 



