620 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 54. 



Phylloscopus t. trochilus appear quite different. P. t. eversmanni 

 differs from P. t. trochilus in being gray on the back (between hair 

 brown and drab) with only a very slight yellowish tinge, this latter 

 color being confined mostly to the rump and wings, quite different 

 from the buffy olive upper parts of the latter. P. t. eversmanni is 

 grayish white below with only a slight buffy tinge on the j unguium, 

 in sharp contrast to the yellowish tinge, more or less pronounced on 

 the under parts of P. t. trochilus., and the loral streak is more sharply 

 defined and more distinctly yellow in the latter. In size there is 

 little or no difference, as the following will show : 



Mr. Amory took a nest and seven slightly incubated eggs on the 

 Kolyma, directly opposite Nijni Kolymsk, June 18, 1915. The nest 

 was in swamp and willows on one side of a " niggerhead," with 

 water directly below the nest and a leaning dead willow stick directly 

 above. The nest outwardly is composed of rather coarse grass with 

 a few pieces of sphagnum moss, loosely woven; internally of finer 

 grass and lined with white ptarmigan feathers. The outer covering 

 extends up over the egg cavity, forming a roof. In fact, the nest has 

 the appearance of two nests, the outer one composed of dark-colored 

 coarse grass and the inner of finer yellowish grass. Outwardly the 

 nest measures about 6| by 5 inches; the egg cavity which is rounded 

 2 inches. The inner nest is placed in the front of the mass that com- 

 poses the outer nest. 



The eggs are short, ovate in shape; white, rather evenly spotted 

 with larger and smaller spots of vinaceous russet in two tints; the 

 spots more numerous on the larger end. They measure as follows: 

 16.7 by 12.6, 16.4 by 12.5, 15.5 by 12.4, 16.4 by 12.5, 16.7 by 12.7, 16.5 

 by 12.6, 16.2 by 12.4 mm. 



60. RKGULOIDES SUPERCILIOSUS SUPERCILIOSUS (Gmelin). 



One male, Nijni Kolymsk, June 10, 1915. 

 58.5 ; tail, 40 ; culmen, 9. 



It measures — wing, 



Family LANIIDAE. 



61. LANIUS EXCUBITOR MOLLIS Eversmann. 



One immature, Nijni Kolymsk, September 8, 1914. 



