146 Harlow, Breeding Birds of Penna. and N. J. [a p hi 



155. Telmatodytes palustris palustris. Long-billed Marsh 



Wren.— Nests commonly all along the New Jersey coast marshes from 

 Jersey City to Cape May, and along the Delaware River north to Trenton, 

 N. J., and Bucks County, Pa. Data on 196 nests give: average set, 5 

 (3-7); average date, June 4 (May 26- July 18). 



156. Certhia familiaris americana. Brown Creeper. — I have 

 found this bird in summer in Sullivan and Warren occasionally, but have 

 never found its nest. It has however been taken both in the mountains of 

 Pennsylvania and New Jersey by others. 



157. Sitta carolinensis carolinensis. White-breasted Nut- 

 hatch. — A regular but not common breeder in southern New Jersey and 

 southeastern Pennsylvania and more common throughout the rest of the 

 latter state. Very common in Center County. Data on fourteen nests, 

 all but two from Center Co., give: average set, 7 or 8 (5-9); average date, 

 April 28 (April 22-May 19). 



158. Sitta canadensis. Red-breasted Nuthatch. — I have met 

 with this bird in summer only uncommonly in Warren and Sullivan Coun- 

 ties, and have not found its nest although they have been found in the 

 latter county by others. In 1917 the birds remained in Pike County until 

 June 9 but none bred. 



159. Bseolophus bicolor. Tufted Titmouse. — Nests fairly com- 

 monly in southern New Jersey and in southeastern and southwestern 

 Pennsylvania within the limits of the Carolinian fauna. I have also found 

 it rarely in summer in the river valleys in Pike and Center Counties. Two 

 nests that I have found are as follows: 1, Philadelphia, Pa., May 25, 1906, 

 six hatching eggs and one young; 2, Tinicum, Delaware County, Pa., 

 May 10, 1907, six eggs. 



160. Penthestes atricapillus atricapillus. Black-capped Chick- 

 adee. — A regular breeder in the mountainous parts of Pennsylvania from 

 Fayette and Huntington Counties north to Warren and Pike. Data on 

 seven nests give: average set, 7 (5-8); average date, May 10 (May 4- 

 June 10). 



161. Penthestes carolinensis carolinensis. Carolina Chickadee. 

 — I have found this species breeding commonly in southern New Jersey 

 from Burlington County south and in Greene County in southwestern 

 Pennsylvania. Data on ten nests give: average set, 7 (5-8) ; average date, 

 New Jersey (four nests) May 15; Pennsylvania (six nests) May 9. 



162. Regulus satrapa satrapa. Golden-crowned Kinglet. — A 

 rare summer resident of Pike County and rather more common in Monroe 

 but I have never found its nest . 



163. Polioptilla cserulea caerulea. Blue-gray Gnatcatcher. — I 

 have found this bird to be a very common summer resident of Greene, 

 Washington and Alleghany Counties in southwestern Pennsylvania. Data 

 on thirty-six nests give : average set, 5 (sometimes 4) ; average date, May 14 



(May 7-May25). 



164. Hylocichla mustelina. Wood Thrush. — Breeds commonly 



