SHUFELDT| 



LIFE HISTORY OF THE BLACK SKIMMER 



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Fig. i. Adult Black Skimmer in flight After Audubon. See Cover. 

 Fig. 2. Three eggs of the Skimmer. About one-half natural size 

 Fig. 3. A young Skimmer, a fortnight or more before it is able to fly 

 Fig. 4. The subadult Skimmer, a short time before it is able to fly. Note 



how the bill in this figure and the one n Figure 3 differ from the beak 



of the adult bird. 



