1918 ] Harlow, Breeding Birds of Penna. and N. J. 139 



99. Spizella passcrina passerina. Chipping Sparrow. — Gener- 

 ally abundant. Data on sixty-seven nests give: average set, 4 (2-3); 

 average date, May 15 (May 1 1-July 6). 



100. Spizella pusilla pusilla. Field Sparrow.— Generally abun- 

 dant. Data on ninety-four nests give: average set, 4 (3-5) ; average date, 

 first sets, May 8; second sets, June 20; latest August 6. 



101. Junco hyemalis hyemalis. Junco. — I have found the Junco 

 breeding regularly in the following counties in Pennsylvania: Pike, Monroe, 

 Wayne, Sullivan, Lycoming, Cameron, Elk, Forest, Clinton and Blair, 

 and far more commonly in Warren. It also breeds in Fayette County 

 and the question arises whether these latter birds may not be referable 

 to the Carolina form. Data on sixteen nests give: average set, 4(3-5); 

 average date, May 20 (May 12- July 20). 



102. Melospiza melodia melodia. Song Sparrow. — One of the 

 most abundant and regularly distributed birds. Data on 172 nests give: 

 average set, 4 or 5; average date, May 4 for first sets, earliest, April 26; 

 June 20 for second sets, latest, August 10. 



103. Melospiza georgiana. Swamp Sparrow. — In New Jersey I 

 have found the Swamp Sparrow nesting only on the Delaware marshes. 

 It does not seem to occur in summer along the coast. In Pennsylvania 

 it nests abundantly along the Delaware marshes as far north as Bucks 

 County and it outnumbers all the birds found in the localities where it 

 breeds. Sometimes I have found as many as twenty-five nests in a single 

 day. In northern Pennsylvania I have not found it, but it nests in Fayette 

 County in the southwestern part of the state. Data on 186 nests give: 

 average set 4 (3-5, and in one instance 8, although this was certainly a 

 case of two birds making use of the same nest); average date, May 28 

 (May 14-July 12). 



104. Pipilo erythrophthalmus erythrophthalmus. Towhee. — 

 Common and generally distributed. Data on fourteen nests give : average 

 set, 4 (3-5); average date, May 20 (May 15- August 4), 



105. Cardinalis cardinalis cardinalis. Cardinal. — Common in 

 New Jersey south of Trenton, and in southern Pennsylvania, extend- 

 ing farther north along the river valleys, and as far as Center County 

 where it breeds rarely but regularly. Nests also in Greene County in 

 the southwestern corner of the state. Data on sixteen nests give: 

 average set, 3 (2-4); average date, May 1 (April 8- July 15). 



106. Zamelodia ludoviciana. Rose-breasted Grosbeak. — In New 

 Jersey I have found it nesting only along the Delaware above Trenton, 

 while in Pennsylvania it breeds regularly near Newtown, Bucks County, 

 and I have found it in summer in the following counties: Pike, Monroe, 

 Wayne, Warren, Clarion, Venango and Alleghany, being especially common 

 in the last. Data on nine nests give: average set, 4 (3-5); average date, 

 May 25, latest, June 13. 



107. Passerina cyanea. Indigo Bunting. — Common and generally 



