Wren-tits (Chamaea fasciata), in Two Poses. This Is a 

 Characteristic Bird of the Chaparral Belt, in the Cali- 

 f ornian Fauna and in the Upper Sonoran Zone. It Is the 

 Sole Representative of a Genus and a Family of Birds 

 Which Is Restricted to the Pacific Coast Strip West of 

 the Sierra-Cascade Divide. 

 Photographed by T. I. Storer in Berkeley. 



California Condor (Gymnogyps calif ornianus), the Larg- 

 est Bird of the Pacific Coast Region, Restricted to the 

 Californian Fauna of the Upper Sonoran Zone, and Now 

 Approaching Extinction. The White Patch on the Under 

 Side of the Wing Distinguishes the California Condor 

 From the Common, and much Smaller, Turkey Vulture. 

 Photographed by J. Grinnell in Foothills Near Pasadena. 



PLATE XII 



