gc,6 NORTH AMERICAN BIRDS. 



instance betrayin- tlie position of her nest by ninning out, as he ap- 

 proached, from the bush beneath whicli it was concealed. With elevated 

 tail running rapidly and silently away, they disappeared among the shrub- 

 liery In such cases a cai-eful examination of the spot was sure to result 

 in findiuu an artfully concealed nest, either embedded in the ground or a 

 few inches above it in the lower branches of the bush. He did not find this 

 species cast of the northern end of Great Salt Lake, nor was it seen in the 

 nei.diborhoo<l of Salt Lake City, where the other species was so abundant. 



The e^-s of this species differ very essentially from those of the P. hlme- 

 ata The"y are oblong in shape, have a light greenish ground, marked all 

 over the e- with very fine dots of a reddish-brown, and around the larger 

 end with a'riiur of conHnent blotches of dark purple and lines of a darker 

 brown, almost black. They measure .80 by .60 of an inch. They resemble 

 very closely a not uncommon variety of the eggs of the Spizclla jnisiUa. 



