APPENDIX. 8.1 



INTRODUCED SPECIES. 

 English Sparrow. 



Passer domesticus. 

 Fig. 10. 



Size, large. Form, robust, reddish brown above, conspic- 

 uously streaked with black ; crown and rump ashy. Beneath, 

 grayish white, with forehead and large patch on breast black. 

 Female and young without the black of throat. 



These birds, now so abundant, were introduced into this 

 country from Europe. This truly deplorable event occurred 

 in 1850, when eight pairs were broughi to New York City. 

 They were introduced into Boston in 1860. 



European Goldfinch. 



CaRDULIS CAJIDULIS. 



Larger than the American Goldfinch. Yellow beneath, 

 greenish above, wings and tail black, prominently marked 

 with white; space about bill, red. 



Introduced from Europe, and now occurs rarely about Bos- 

 ton as a constant resident. 



HYPOTHETICAL SPECIES. 

 Brewster's Linnet. 



ACANTHIS BREW6TERI. 



Resembles the Redpoll in size, form and general color, but 

 has no red on the crown, and is tinged with sulphury yellow 

 on the rump, and with yellowish on breast and along sides. 

 Wings with two yellowish bands, and the feathers of these 

 and the tail are narrowly edged with pale sulphury yellow. 



F 



