JEGGS OF NORTH AMERICAN BIRDS. fjg 



1.69 -j- 1.81. Breeds in Texas and New Mexico, south to 

 Patagonia ; in Southern South America in January ; in Texas, 

 probably in Aj^ril or May. Nests placed in trees or bushes. 



359a. Kestrel, Falco tirmuyiculus. Eggs, rather spherical 

 in form, varying from creamy to reddish in color, spotted, 

 dotted, and blotched so thickly Avith cinnamon or reddish 

 brown as to sometimes nearly obscure the ground color ; 1.52 

 + 1,29 to 1.60 + 1.30. Extralimital ; breeds in Europe. Bird 

 accidental in Massachusetts. See "Auk" for Jiiimary, 1888, 

 p. 110. 



360. AMERicAJiT Spakrow Hawk, Falco sparverius. (Type, 

 Plate V.) Eggs, 4 to 7, quite spherical, creamy or light buff, 

 sprinkled, spotted, or blotched, usually thickly enough to nearly 

 obscure the ground markings; 1.05 -|- 1.20 to 1.35 -|- 1.48. 

 Breeds throughout the whole of North America, but is rare in 

 New England. Nests placed in holes of trees, or occasionally 

 in holes of cliffs ; the eggs are deposited in Florida in April, 

 in May farther north. 



361. CuBAK Sparrow Hawk, Falco sparverioides. Eggs, 

 3 or 4, rather spherical, quite sparsely spotted and mottled 

 with yellowish brown; 1.08 + 1.28 to 1.10 + 1.30. Breeds 

 in Cuba, thus is extralimital. Bird said to be accidental in 

 Florida (occurrence doubtful). 



362. Audubon's Caracara, Polyborus cheriway. Eggs, 

 3 or 4, rather spherical, varying from yellowish white to tan- 

 color, sprinkled, spotted, and blotched, with sepia-brown, often 

 so thickly as to nearly cover the surface ; but in other speci- 

 mens the markings will be confined to the larger end, and all 

 gradations occur between these extremes; 1.75 -|- 2.25 to 1.90 

 -\- 2.44. Breeds in Middle Florida, Texas, Arizona, and Lower 

 California, south to Ecuador and Guiana, in April, May, and 

 June. Nests placed in trees. 



363. Guadalupe Caracara, Polyhorus lutosus. Eggs, in- 

 distinguishable from those of No. 362. Breeds in the Guada- 

 lupe Islands, Lower California. 



