162 



THE CONDOR 



Vol. XX 



Fig. 30. Mountain Plover partially covering her eggs within two 



FEET OF THE PHOTOGRAPHER. 



prairies (numbers have been taken elsewhere in the state) would seem to indi 

 cate they are in a measure gregarious during the nesting season. 



All sets collected contained three eggs and the dates are as follows, two 

 being secured by other parties. In 1917: May 20, two sets; May 27, one set; 

 May 28, one set ; May 29, one set ; June 7, one set. In 1918 : May 18, one set ; 

 May 22, one set. 



Fig. 31. Eggs of Mountain Plover, in place. Photographed May 20, 

 1917. 



