•j^S Eleverifh Supplement to A. O. U. Check-List. [^^^'j^ 



I Sialia stalls berinudetisis Verrill, Am. Journ. Sci. (4) XII, 

 July, 1901, 65. 



Differences too slight and inconstant for recognition. 



IV. DEFERRED FOR FURTHER INVESTIGATION. 



Cyclorrhynchus vs. Phalerls {cf. Tenth Suppl., Auk, 

 XVIII, 1901, 314). 



52. Larus vegae vs. L. argentatus {cf. Kobbe, Auk, XIX, 1902, 

 19-24). 



68rt. Fulmarus glacialis minor vs. F. glacialis. 



94. PufiBnus fuliginosus vs. P. griseus. 



120. Phalacrocorax dilophus vs. P. auritus. 



121. Phalacrocorax mexicanus vs. P. vigua mexkanus. 



123«, 123^>. Phalacrocorax pelagicus robustus et resplen- 



dens vs. P. pelagicus. 



124. Phalacrocorax urile vs. P. bicristatus. 



127. Pelecanus californicus vs. P. fiiscus [= occidentalis'] cali- 

 forniciis. 



Olor vs. Cygniis. 



The preceding seven cases, left over last year {cf. Tenth Suppl., 

 Auk, XVIII, 1901, 314, 315), still remain unsettled. 



193. Ardea "wardi vs. A. herodias wardi {cf. Tenth Suppl., Auk, 

 XVIII, 1901,315). 



Rallus lei'ipes Bangs, Bull. N. Engl. Zool. Club, I, 1899, 45. 

 Referred to Mr. Brewster as a subcommittee. 



