SYLVIIDA3 — THE SYLVIAS. 
9 
fa 15 1872 
Species. 
R calendula. Head with entire cap in adult plain olivaceous, with a concealed patch 
of crimson. Hab. Whole of North America; south to Guatemala ; Greenland. ( Ruby - 
crowned Wren r.) 
R. satrapa. Head with forehead and line over the eye white, bordered inside by 
black, and within this again is yellow, embracing an orange patch in the centre of the 
crown. Bab. Whole of North America. ( Golden-crowned Wren.) 
R. cuvieri, Head with forehead and line through the eye black, bordered inside by 
whitish, and within this again by black, embracing an orange-red patch in the centre of 
the crown. Hah, Banks of Schuylkill River, Pennsylvania. ( Cuvier's Wrm.) 
Subfamily POLIOPTILINAD. (Page 8.) 
Genus FOLIOFTILA, Sclat. 
Length, about 4.25. Nest felted, conical, high, woven to small upright twigs, coated 
externally with lichens. Eggs greenish-white, dotted with brown, etc. 
Species. 
Top of head plumbeous. 
■V; 
) 
P. caerulea. Two outer tail-feathers entirely white. A narrow frontal line, extending 
back over the eye, black. Wing, 2.50. Hab. North America. (. Blue-gray Gnatcatcher.) 
P. plumbea. Outer tail-feather, with the whole of the outer web (only), white. No 
( olack on the forehead, but a stripe over the eye above one of whitish. Wing, 1.80. Hab. 
Arizona. ( Lead-colored Gnatcatcher.) 
Top of head blacky 
P. melanura. Edge only of outer web of outer tail-feather white. Entire top of head 
from the bill black. Wing, 1.85. Hab. Rio Grande and Gila. {Black-capped^ Gnatcatcher.) 
l 
Family CHAMiEADiE. — The Ground-Tits. 
Genus CHAM^EiA, Gambel. 
Resembles the Titmice in loose plumage, bristly lores, and want of notch to bill, but 
with the culmen sharp-ridged, rictus bristled; scales of tarsi in one continuous plate. 
Wing excessively rounded ; the sixth quill longest, only two thirds the length of the tail, 
which is much graduated. 
C. fasciata. Gambel. Above olivaceous-brown ; beneath pale cinnamon, throat and 
breast faintly streaked. Lores and spot above eye whitish. Iris white. Length, 6.20 ; 
wing, 2.30; tail, 3.50; bill above, .52. Nest in low shrubs; eggs pale greenish-blue. 
Hab. Coast of California. {Ground- Tit.) 
Family PARID2E. — The Titmice. 
Parinse. Body compressed, 
shorter than the rounded tail 
2 
Subfamilies, 
Bill shorter than the head. Wings rounded, equal to or 
Second quill as short as the tenth. Tarsus longer than 
