Two small lakoB between Gellup and Hook oprings had no marsh birds on 
them and were devoid of all aquatic vegetation. 
Annotated List of Birds. 
1* Colymbus nigrloollls callfomicus (Heermann). 
£ared Qrebe. 
Forty pairs of Lared (rrebes were nesting on Be-e-khet-hum-ues where 
they were first seen on June and on July 2 about twenty breeding pairs 
s 
were noted on To-teh-khlh. On July 1 the colony at the first named lake - 
was examined and the nests found grouped In a growth of Jolmus occidental Is 
with from twenty to forty feet separating them* In the water between them 
was a good growth of pondweeds and of u polygonum. Tljese nosta were the usiial 
rounded masses of decaying vegetation built up two Inches above the water with 
a slight hollow on top to contain the eggs. About one third still oontalned 
• I 
% 
eggs, from two th three constituting a complete set. dome liad been ]^rtly 
'r 
covered by aquatic vegetation drawn up by the incubating birds before leaving 
while others remain od in the opon with no attempted couoeulment. All were 
nearly ready to hatch. The shells of these eggs were much stained from the 
rotting vogstutlun on '.'dxloh they lay. 
Apparently the young leave the nest as soon as tho;^' are hatched as I 
sow broken egg-shells In which the membranes ware not yet dzy but the young 
chicks were no where to be seen. Adult Grebes swam out ahead of me through 
:|the water plants diving' wlisn I came too near but not seeming greatly alarmed. 
Often the adults were acoon^auled by yoimg 10 or 12 days old who swam close 
7 " 
behind almost touching the body of the grown bizti or climbed up ffii its back 
to be held beneath the wings while the old bird swam away. Adults were seen 
feeding these birds calling them up across the water and placing the food in 
the bills of the young. | The young dove when I cam too near but 1 was able 
