252 
U. S. P. R. R EXP. AND SURVEYS-ZOOLOGY—GENERAL REPORT. 
HELMITHERUS VERMIVORUS, Bonap. 
Worm-eating Warbler. 
? Motacilta vermivora, Gmelin, Syst. Nat. I, 1788, 951. 
Sylvia vermivora, Latham, Ind. Orn. II, 1790, 499.— Wilson, Am. Orn. Ill, 1811, 74 ; pi. xxiv, f. 4.— Bonap, Obs. 
Wilson, 1826.— Add. Orn. Biog. I, 1832, 177 : V, 460; pi. xxxiv. 
Sylvia ( Dacnis ) vermivora, Ndttall, Man. I, 1832, 409. 
Sylvicola vermivora, Rich. List, 1837. 
Hclinaia vermivora, Aud. Syn. 1839, 66.—In. Birds Am. II, 1841, 86 ; pi. 105. 
Helmitherus vermivorus, Bonap. Conspectus, 1850, 314.— Cab. Mus. Hein. 1850, 20. 
Ficedula pennsijlvanica, Brisson, Orn. VI, 1760, app. 102. 
Vermivora pennsylvanica, “ Swainson,” Bonap. List, 1838.'— Gosse, Birds, Jam. 1847,150. 
Helmitheros migratorius, Rafinesque, Jour, de Pliys. LXXXV1II, 1819, 417.— Hartlaub, Rev. Zool. 1845, 342. 
Vermivora falvicapilla, Swainson, Birds, II, 1837, 245. 
Sp Ch. —Bill nearly as long as the head ; upper parts generally rather clear olive green. Head with four black stripes and 
three brownish yellow ones, namely, a black one on each side of the crown and one from behind the eye, (extending, in fact, a 
little anterior to it,) a broader median yellow one on the crown, and a superciliary from the bill. Under parts pale brownish 
yellow, tinged with buff across the breast, and with olivaceous on the sades. Tail unspotted. Female nearly similar. Length, 
5.50 ; wing, 3.00 ; tail, 2.35. 
Hab.— Eastern United States to Missouri river ; south to Guatemala. 
The first three quills are about equal and decidedly longer than the fourth. The tail is 
slightly rounded. A specimen from Florida is brighter olive above. 
List of specimens. 
Catal. 
No. 
Sex. 
Locality. 
When col¬ 
lected. 
Whence obtained. 
Orig’l 
No. 
Collected by— 
Length. 
Stretch 
ofwings. 
Wing. 
Remarks. 
2148 
s 
April 26, 1845 
S. F. Baird. 
358 
o 
May 12, 1841 
7565 
V 
W. Hutton. 
10106 
<? 
.do. 
8670 
Sept. 25, 1857 
5,75 
8.75 
ish, lower black, very 
light legs. 
8309 
May 27, 1857 
Win. M. Magraw .. 
26 
5.75 
9.00 
3.00 
feet flesh color. 
8014 
HELMITHERUS SWAINSONII, Bonap. 
Swainson’s Warbler. 
Sylvia swainsonii, Aud. Orn. Biog. II, 1834, 563 : Y, 462 ; pi. cxcviii. 
Sylvicola swainsonii, Rich. List, 1837. 
Vermivora swainsonii, Bonap. List, 1838. 
Hclinaia swainsonii, Add. Syn. 1839, 66 .—Ib. Birds Amer. 11, 1841, 83 ; pi. civ, (type of genus.) 
Helmitherus swainsonii, Bonap. Conspectus, 1850, 314.— Cabanis, Mus. Hein. 1850, 20. 
Sp. Ch. —Bill as long as the head. Upper parts dull olive green, tinged with reddish brown on the wings, and still more on the 
crown and nape ; a superciliary stripe and the under parts of the body are white, tinged with yellow, but palest on the tail 
coverts ; the sides pale olive brown. There is an obscure indication of a median yellowish stripe on the forehead. The lores 
are dusky. No spots or bands on wings or tail. Length, 5.60 ; wing, 2.85 ; tail, 2.20. 
Hab .—South Atlantic States. 
The bill of this species is on a line with the forehead, the upper outline nearly straight 
almost to the tip, the lower quite so. The wings are long, the quills attenuated at tip ; the 
