Forewords. 



For several reasons the present edition of 

 the Directory has been delayed until the 

 present time, but as this dela}" has given an 

 an opportunity to add a few speciea to the 

 book, something is gained thereby. These 

 additions will be found in an Appendix. 



The original title page, bearing the date 

 of 1907, has been retained. 



Oct. 1918. 



* * * « 





Un symmetrical skull of American Crossbill, from Spar- 

 rows and Finches of New England. 



