Obdeb RAPTOBES. 23 



weeds. Eggs, four to six; 1.86x1.42; bluish white, generally unspotted, but 

 occasionally with faint to distinct spots and blotches of purplish brown; in 

 form broadly oval. 



Genus ACCIPITER Bkisson. 



Subgenus ACCIPITER. 



B. 17. R. 432. C. 494. G. 201. U. 332. 



116. Accipiter velox (Wils.). Sharji-shinned Hawk. Winter sojourner; rare. 

 In migration, common. 



B. 15, 16. R. 431. C. 495. G. 200. U. 333. 



117. Accipiter cooperi (Bonap.). Cooper's Hawk. Resident; common in sum- 

 mer. Begin laying early in May. Nest in the forks of medium-sized trees, 

 from twenty-five to fifty feet from the ground, made of sticks and twigs, and 

 lined sparingly with grass and leaves. Eggs usually four; 1.94x1.54; pale 

 bluish white; occasionally eggs will show faint blotches of lilac to yellowish 

 brown, esjjecially about the large end; in form rounded oval. 



Subgenus ASTUR Lacepede. 



B. 14. R. 433. C. 496. G. 202. U. 334. 



118. Accipiter atricapillus (Wils.). American Goshawk. Winter visitant; 

 rare. 



Genus BUTEO Cuviee. 



B. 23. R. 436. C. 516. G. 203. U. 337. 



119. Buteo borealis (Gmel.). Red-tailed Hawk. Resident; common. Begin 

 laying the last of February. Nest in the forks of the branches of the tallest 

 trees on the timbered bottom lands; a bulky structure, made of sticks and 

 lined sparingly with grass, leaves, and a few feathers. Eggs, three or four; 

 2.30x1.84; bluish white, thinly and irregularly spotted and blotched with vari- 

 ous shades of light to dark brown; in form ellijitical to oval. 



B. — . R. 436a. C. 519. G. —. U. 337a. 



120. Buteo borealis kriderii Hoopes. Krider's Hawk. I killed, October 12th, 

 1883, a female, near Wallace, and think I saw during the day another, but the 

 birds at a distance so closely resemble the light phase of Archibuteo ferrugineus 

 that I was not positive. They are birds of the plains, found from Texas to 



Minnesota. 



B. 20. 24. R. 4366. C. 517. G. 204. U. 3376. 



121. Buteo borealis calurus (Cass.). Western Red-tail. Not an uncommon 

 winter sojourner; leave in March. 



B. 22. R. 438. C. 515. G. 205. U. 338. 



122. Buteo harlani (Aud.). Harlan's Hawk. Winter visitant; rare. 



B. 25. R. 439. C. 520. G. 206. U. 339. 



123. Buteo lineatus (Gmel.). Red-shouldered Hawk. Resident; common in 

 eastern Kansas. Begin laying early in March. Nest in the forks of branches 

 of medium-sized trees, twenty to fifty feet from the ground, composed of sticks 

 and twigs, and sparingly lined with soft strippings of bark, leaves, and a 

 few feathers. Eggs, three or four; 2.20x1.70; bluish white, irregularly spotted 

 and blotched with varying shades of light to dark-reddish brown; varying in 

 form from subspherical to elliptical. 



