rag2}/ | Fourth Supplement to the A. O. UO. Check-List: 107 
682.1. Geothlypis poliocephala palpebralis ey ): 
Mirador Yellowthroat. 
Geothlypis palpebralis Rincw. Man N. Am. Bds. 1887, 526. 
.. Geothlypis poliocephala palpebralis Arten, Auk, VIII, 
July, 1891, 316. 
[B—, C—, R—, C—.] 
Has. Eastern Mexico, north to Brownsville, Texas. (Cf. 
ae BN, Auk, VIL, 1891, 216.) 
Il. CHANGES OF NOMENCLATURE. 
567.1. Junco carolinensis Brewsr. This becomes 
567 e. Junco hyemalis carolinensis Brewsr. (Cf 
Dwicut, Auk, VIII, July, 1891, 290, and Brewster, 
Auk, III, Jan. 1886, 108.) 
Ill. FORMS CONSIDERED AS NOT ENTITLED TO 
RECOGNITION. 
Ictinia plumbea (ViE1LL.).—The record of the occurrence of 
this species in Florida: proves to have been founded on a misiden- 
tification of an immature example of /cténia miéssissippiensis. 
Ae CaHoon, Orn. and Obl. XV, March, 1890, 35, and Cuap- 
MAN, 2oéd. XVI, March, 1891, 44.) 
Ammodramus caudacutus becki RioGw. Proc. U. S. Nat. 
Mus. XIV, 1891, 483. 
The type and single known specimen proves to be not distin- 
guishable from A. c. nelson. 
Pipilo maculatus magnirostris Brewsr., Auk, VUI, April, 
1891, 146. 
Rejected on the ground of the slight and inconstant native of 
the differences supposed to distinguish it,from 7. m. megalonyx. 
Sitta carolinensis lagune Brewst. Auk, VIII, April, 1891, 
149. 
Not satisfactorily distinguishable from \S. c. aculeata, the al- 
leged characters proving slight and inconstant. . 
Turdus sequovensis BELDING, Proc. Cala. Acad. Sci. 2d ser. 
Il. Oct,1889, 79. 
Considered as not distinguishable from 7. aonalaschke audu- 
bon. 
