INTRODUCED SPECIES 

 I. HOUSE SPARROW 



Passer domesticus 



The House, or English, Sparrow was suc- 

 cessfully introduced into Boston by pro- 

 vision of the city government in the year 

 1869 after an unsuccessful effort made in 

 the preceding year. From that time dates 

 its occupancy of the Common and the Pub- 

 lic Garden and its spread throughout the 

 city and thence to suburban cities and 

 towns and thus more and more widely. 

 Mr. William Brewster in his " Birds of the 

 Cambridge Region/' p. 65, says of his first 

 observation of these sparrows : " I remem- 

 ber spending the greater part of a cold 

 morning in December, 1869, looking for the 

 alien birds in Boston. On this occasion I 

 failed to find any of them on the Common, 

 but near the pond in the Public Garden I 

 finally came upon six or eight huddled to- 

 gether in the top of a leafless bush. During 



