438 REED-WRIGHT— THE VERTEBRATES OF [October i, 



ber. The latest record is October 28, 1908. A single individual 

 was seen in the marshes at Ithaca, February 24, 1906. 



276 (558). Zonotrichia albicollis (Gmelin). White-throated spar- 

 row. , 

 Common transient. .The average date of spring arrival is April 

 17, the earliest, April 13, 1903. They become common the last week 

 of April and remain until May 20. The latest record is May 23, 

 1908. In the fall they appear about September 20 and are common 

 throughout October. The latest record for the fall is November 

 4, 1908. 



'^17 (559)- Spizella monticola (Gmelin). Tree sparrow. 



Common winter resident. They arrive October i and remain 

 common until April 25. A few stragglers have been noted after this 

 date. In 1889 L. A. Fuertes saw several on May 8. In 1904 a few 

 were seen on May 2 and in 1906 the latest date was April 30. 



278 (560). Spizella passerina (Bechstein). Chipping sparrow. 

 Common summer resident. The average date of spring arrival 



is April 2, the earliest March 27, 1907. The maximum nesting 

 period is from May 15 to June 30. They remain in the fall until the 

 last week in October. The latest record is November i, 1902. 



279 (563). Spizella pusilla (Wilson). Field sparrow. 

 Common summer resident. The average date of spring arrival 



is March 30, the earliest, March 25, 1907. The nesting period ex- 

 tends from May 15 to June 5. They remain in the fall until the 

 very last of October. 



280 (567). Junco hyemalis (Linnaeus). Slate-colored j unco. 



A common transient, uncommon winter resident and a rare sum- 

 m( r resident. They become common in the fall the last week in 

 September and are abundant during October. In the spring the first 

 iniiux from the south occurs the last week in March. They remain 

 abundant throughout April. The first of May there is a decided 

 reduction in numbers and by May 10 the migration ceases. On 

 June 21, 1878, F. H. King^^ found two individuals in the Enfield 

 gorge. In 1907, each day from July 21 to 25, two individuals were 



"^Bull. Nutt. Orn. Club, Vol. HI., p. 195. 



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