THE REPTILE BOOK 



PLATE XLIII 



v^fl 



STANBURY'S SWIFT, {//a stansburiana 



Abundant in the sterile ureas of the Southwest. Note the equal-sized 

 scales of the back 



WHITE-BELLIED SWIFT, Via tymmetrica 



Common in Arizona anil New Mexico. Note the rows 

 of enlarged scales on the back 



CLARK'S SWIFF, So-loporus rlartii 

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



