424 APPENDIX. 



13. «) -50 long. Hummingbird. §22,1. 



[The eggs of the buzzard-hawks and of Traill's Flycatcher may Bometimes be 

 white. See § II, A, d.] 



(c). Nest on the ground, or very near it. 



1. Av. 1'80X1*35. Occasionally niarl£ed. Marsh Hawk. §27,1. 



2. Av. 1-.50X1-30. Normally, almost spherical. Short-eared Owl. §26, II, B. 

 (3). Av. 1-20X"90. Blue-tinged, and nearly elliptical. Least Bittern. 



4. Av. 1'20X1'00. White, often stained, and almost pointed at one end. Quail. §31. 



5. Av. 'TOX'SS, usually marked. Nest built near water. Yellow Throat. §!), II,A. 



(d). Nest about buildings (2, 3, 6, usually in bird-boxes, 4 in chimneys). 

 (1). > 1-50X1'25. Impure white. Barn Owl. §26,1. 



2. > -SoX-HS. Purple Martin. § 12, V. 



3. < 80X-60. White-hellied Swalloiv. §12,111. 



4. Av. -TOX-iO. Chimney Swift. §21,1. 



5. Av. "ToX'ST. Nest built on beam, or under eaves. Pewee. §19,111. 



(6). Av. -SOXeO, usually blue. Bird with chestnut breast. Blue Bird. §2,1. 



(e). Eggs laid in a burrow in a bank of sand or sometimes gi-avel. 



1. >l-25Xl-00. Kingfisher. §23,1. 



2. < l-OOX-75. Bank Swallow. § 12, IV. 



(/). Nest built among reeds, or in tall meadow-grass. 



1. Eggs small and brittle. Short-hilled Marsh Wren. §7, II, A. 



(fir). Nest very bulky, and built of sticks on cliffs. 



(1). >3-00X2-25. Impure white; usually marked. Golden Eagle. §27, VII. 



B. Color, blue, bluish-green, or greenish-blue, dark in "5" only. 



(a). Nest made in trees (or bushes). 



(1). 2'2.5X1"7.') or more. Extremely light. Occasionally marked. Goshniok. §27, IV. 



2. Av. 1-15X'85. Bird with reddish or dun breast, unmarked. Pohin. § 1, 1, F. 



3. 1'00X"0 or more. Bird's breast thickly spotted. Tail, dusky-olive. Wood 



Thrush. § 1, I, A. 



4. Av. •85X'<>0. Bird, soft reddish-brown above, sliglitly spotted beneath. 



Wilson's Thrush. §1,1, B. (Nest generally on the ground.) 



5. Av. •00X'<>5. I>ark emerald green. Nest often in thicket. Cat-bird. §1, II, B. 

 (6). •'J.5X"05, light blue, cf, dark blue; $, warm brown and flaxen. Blue Grosbeak. 



§ 1.5, XXI. 



7. 1-15X-87, usually dull. ( Nest loose and frail. ) Black i -billed >§24, 1, B. 



8. Av. 1 2.1X87, ratlier light. ( Eggs long or elliptical. ) Yellow I Cuckoo. ) §24, 1, A. 



(6). Eggs laid in a hollow tree or post, or in a bird-box. 



1. Av. -80X00. Blue Bird. §2,1. 



(c). Nest made on the ground. 



(1). Av. < •7iJX'55 ? Nest made in dry fields. Black-throated Bunting. § 15, XIX. 



2. > •75X'55. Nest made in wet woods, etc. Wilson's Thrush. § 1, 1, B. 



(d). Nest about buildings. 

 1. Av. 1-15X-80. Pobin. §1, I, F. 



