S4 Third Supplement to the A. O. U. Check-List. [ January 
of an annual Supplement to the Check-List, the Committee, in 
behalf of its successors, begs to call the attention of describers 
of species and subspecies to the fact that without their cobperation 
its work will be in large part futile, since, without having the types, 
or other authentic material representing the new forms before it, 
the Committee cannot take the responsibility of giving an opinion 
upon the claims of such forms to recognition, The Committee 
therefore respectfully requests that describers of new forms of 
North American birds will kindly transmit to the Comniittee, 
for use at its annual session, such types or other material as will 
facilitate its work. 
The present Supplement consists of I, Addvtvons; Il, Aleém- 
‘nations; Il, Changes of Nomenclature; IV, Forms consid- 
ered as not entitled to Recognition } Ve Proposed changes of 
Nomenclature rejected; Vi, Action deferred from lack of 
material; VU, Species entered in the Check-List as Aceiden- 
tal, dut now considered as of regular occurrence. 
The number at the lett of the scientific name facilitates collation 
with the Check-List. The interpolated species and subspecies 
are numbered in accordance with the provisions made theretor 
in the Code of Nomenclature. (See page 14. last paragraph.) 
D. G. Ernuiort, Chatrman. 
Joun H. Sacer, Secretary. 
Commétice | J. A. ALLEN, y 
1 Y vr > ed 
on { WintiAmM Brewster. 
Publication. | S 
I. ADDITIONS. 
250a@. Totanus solitarius cinnamomeus Brewster. 
Western Solitary Sandpiper, 
Totanus solttriréus célnnamomeus Brewsrer, Auk, VII, 
Oct. 1890, 377: 
[B 54t, part, C 435, part, R 550, part, C 637, paré.] 
Han. Pacific Coast region, eastward to the Plains. 
474 4. Otocoris alpestris adusta Dwicir. 
Scorched Horned Lark, 
