PHRYNOSOMADOUGLASSII. 73 



the Phrynosoma orbicularis, which they probably inferred from the size of Bell's 

 figure. That it is an adult animal and perfectly distinct from all others of the 

 genus, I have not the least doubt, having seen an individual, the one from which 

 the accompanying plate was taken, brought alive to Philadelphia from the shores 

 of the Oregon, that equalled in size any Phrynosoma cornuta or orbicularis that 

 I have ever seen, and yet having no spines about the head. 



Vol. III.— 10 



