80 
SYLVIAN^. 
Bill short, moderately stout ; tail long, emarginate, and considerably 
rounded. Upper parts dull light brown, tinged with grey; fore neck 
black ; cheeks and sides of the neck white ; breast and abdomen white, 
sides light yellowish-brown. 
Male, 5, 7. 
Northern parts of Maine, during winter. Breeds from New Bruns- 
wick to Labrador and Hudson’s Bay. Common. Migratory. 
Parus Hudsonicus, Lath. Ind. Orn. v. ii. p. 566. 
Hudson’s Bay Titmouse, Aud. Orn. Biog. v. ii. p. 543. 
129. 5. Parus mfescens, Towns. Chestnut-backed Tit. 
Plate CCCLIII. Fig. 1. Male. Fig. 2. Female, 
Bill moderately stout ; tail rather long, emarginate, scarcely round- 
ed ; upper part of head and hind neck dark brown, fore neck of a 
deeper tint of the same ; cheeks and sides of neck white ; back, rump, 
and sides of the body under the wings bright chestnut ; the rest of the 
lower parts greyish- white. 
Male^ 4^, wing, 2|. 
^ Columbia River. Abundant. Resident. 
Parus rufescens, Chestnut-backed Titmouse, Towns. Journ. Acad. Nat. Sc. Phila- 
delphia, V. vii. p. 190. 
Chestnut-backed Titmouse, Parus rufescens, Ann. Orn. Biog. v. iv. p. 371. 
130. 6. Parus minimus, Towns. Chesnut-crowned Tit. 
Plate CCCLIII. Fig. 5. Male. Fig. 6. Female. 
Upper mandible with its outline more arched, the tip acute and con- 
siderably elongated ; tail very long, emarginate, and much rounded ; 
upper part of the head and hind neck pale brown ; upper parts brown- 
ish-grey ; wings and tail dusky, margined with greyish- white ; cheeks 
of a paler tint than the head ; all the lower parts brownish-white, the 
sides tinged with reddish. 
Male, 4k, wing, 1^|. 
Columbia River. Common. Migratory. 
Parus minimus. Chestnut-crowned Titmouse, Towns. Journ. Acad. Nat. Sc. Phila- 
„ delphia, v. vii. p. 190. 
Chestnut-crowned Titmouse, Parus minimus. Add. Orn. Biog. v. iv. p. 382. 
FAMILY XL SYLVIAN^. WARBLERS. 
Bill of moderate length, slender, straight, a little broader 
than high at the base, compressed toward the end ; upper 
mandible with its dorsal line straight and declinate, convex 
at the end, the tip small, acute, the notches small ; lower 
