^°'i o^"^] Eleventh Supplement to A. O. U. Check-List. 339 



216.1. Porzana coturniculus {cf. Tenth Suppl., Auk, XVIII, 

 1901, 316). Referred to Mr. Brewster as a subcommittee. 



[230.1.] G-allinago major vs. G. media {cf. Tenth Suppl., Auk., 

 XVIII, 315). 



277rt. wSIgialitis meloda circumcincta vs. y£. meloda {cf. 

 Tenth Suppl., Auk, XVIII, 1901, 316). Referred to Dr. 

 Dwight as a subcommittee. 



JButeo borealis umhrinus Bangs, Proc. N. Engl. Zool. Club, II, 

 1901, 67. 



Strigidae vs. Aluconidce, and Strix vs. Aluco {cf. Tenth 

 Suppl., Auk, XVIII, 1901, 316). 



877. Surnia ulula vs. 6'. ulula doliata {cf. Tenth Suppl., Auk, 

 XVIII, 1901, 316). 



Nyctala vs. Cryptoglaux {cj. Richmond, Auk, XVIII, 1901, 

 193)- 



Picoides arcticns tenuirostris Bangs, Auk, XVII, 1900, 131. 

 Still deferred, owing to lack of material. 



Antrostomus vs. Caprimulgus {cf. Tenth Suppl., Auk, 

 XVIII, 1901,317). 



Contopus vs. Horizopus {cf. Tenth Suppl., Auk, XVIII, 



1901. 317)- 

 Contopus richardsoni saturatus Bishop, Auk, XVII, 1900, 116. 

 Again deferred on account of lack of material. 



Coccothraustes vs. Hesperiphona {cf. Ridgwav, Bds. N. 

 and Mid. Am. I, 1901, 57). 



Ammodramus vs. Passerculus {cf. Ridgwav, /. c. 187). 

 Ammodramus vs. Centronyx {cf. Ridgwav, /. c. 202). 



