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tions of migration, broeditiu- and food supply are tliose eomiuou to all 

 regions. They operated in The day.s of the aboi'igines as they do this yeax% 

 differing only in some of tlieir manifestations. The unusual conditions, 

 such as storms, effecting the dispersal of l)irds. worlv now as hitherto. 

 There are special conditions manifested in favorable surroundings, at- 

 tractive bird-homes, and in topographical encouragement, leading them 

 to extend their range. Tliese are strongly illustrated in this i^tate. To 

 him who carefully studies the lurds of any locality, these powerful in- 

 fluences are apparent. They are emphasized by their details and 

 their repetition. By grouping the results of local observations, is told the 

 storv of the influences acting in the distribution of the birds of the State. 



