444 The Wilson Bulletin — No. 93 



lined with horse hair, and placed on the ground at the base of a 

 clump of clover. On June 12th, 1915, another nest containing six 

 light gray eggs was found. 10. 



34. Cowbird (Molothrus a. ater). May 14th, 1914. A Towhee 

 nest found on this date, contained one Towhee egg and eight Cow- 

 bird eggs. About fifty of the nests found during 1914 and 1915 

 held Cowbird eggs. 



35. Yellow-headed Blackbird (Xanthocephalus xantTiocephalns) , 

 July 2nd, 1915. The only nesting colony of these birds found is at 

 Butler's Lake, where on this date, a nest with four eggs was found. 

 It was composed of dead marsh grass, woven about several reeds 

 to form a basket. 7. 



36. Red-winged Blackbird (Agelaius p. phoeniceus). May 23rd, 



1914. A colony of thirty pairs was located in a small slough just 

 off the Skokie Marsh. On June 5th, 1915, a nest was found which 

 held five badly incubated eggs. At least 200 nests of this very 

 abundant bird have been found. 



37. Meadowlark {Sturnella m. magna), May 5th, 1914. Nest 

 and six eggs found in the Skokie Valley. All nests found here 

 have had the entrance on the south side. 8. 



38. Baltimore Oriole {Icterus galbula), June 5th, 1914. A nest 

 containing young was found in a maple tree 20 feet up, along a 

 roadside. Another nest was seen while being built, on May 23rd, 



1915. 4. 



39. Bronzed Grackle (Quiscahis quiscula osneus) , May 23rd, 

 1915. On an island in Cedar Lake were found nine nests, all of 

 which contained young. Eleven nests were found on this island 

 last year. 20. 



40. English Sparrow (Passer domesticus). One nest on May 

 14th, 1915, held six eggs and was built in a cavity in an oak tree, 

 from which they had driven a pair of Bluebirds. 



41. Goldfinch (Astragalinus t. tristis), August 27th, 1915. Nest 

 in a sumach bush in a brushy field, containing six eggs. It was 

 made of fine grass and thistle-down, woven very compactly to- 

 gether. Earliest date for eggs July 21st, and latest September 

 2nd. 30. 



42. Vesper Sparrow {Pocecetes g. gramineus), July 16th, 1914. 

 In the corner of a bunker on the Old Elm Golf course, a nest with 

 four eggs was found. Although many players passed here dailj', 

 these eggs hatched safely. 3. 



43. Chipping Sparrow (Spizella p. passerina), June 12th, 1915. 



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