570 GEOLOGICAL SURVEY OF NEW JERSEY. 



center in male) ; front of forehead and line over eye whitish ; a 

 tiny feather over each nostril. Length, 4 inches ; tail, l : f inches. 

 " Resident. Common. This species and the next are more 

 abundant during the summer in the northern hilly regions of the 

 State during the winter equally numerous throughout the 

 State. Both species are inoffensive." 



R. calendula, L. Ruby-crowned Kinglet [or Wren]. 



Olivaceous ; scarlet patch on crown in both sexes, wanting the 

 first year ; no black about head ; no nasal feather. Length, 4^ 

 inches ; tail, If inches. 



" Resident. Common. During the winter, when birds gen- 

 erally are few in numbers and species, this and the preceding are 

 frequently seen flitting through the leafless branches. During 

 the summer they are shy, and breed in secluded woods." 



POLIOPTILA, Sclat 



P. caerulea, L. Blue-gray Fly-[or Gnat-]Catcher. 



Clear ashy blue, brightest on head ; whitish below ; male with 

 forehead and sides of crown black ; outer tail feathers chiefly 

 white. Length, 4 inches ; tail, 2 J inches. A fine singer ; 

 ordinary note squeaky ; manner sprightly. 



" Not abundant. Generally to be found, however, on careful 

 search during the summer. Haunts lofty trees." 



Family TURDIDJE. 



Thrushes. 



TURDUS, L. 



T. mustelinus, Gin el. Wood Thrush. 



Tarsus booted ; wings longer than tail ; color cinnamon brown, 

 brightest on head, shading into olive on rump ; breast with large, 

 distinct, dusky spots. Length. 8 inches ; tail, 3 inches. An 

 " exquisite songster." 



"Abundant from May till October. Prefers thickly-over- 

 grown hillsides, and near water courses, although occasionally 



