FALCONS. Il.\ WKS, EAGLES, ETC. 203

“Of 220 stomachs examined, 3 contained poultr '; 12, other birds; 102, mice; 40, other mammals; 20. reptiles; 39, batraehiaus; 92, in— sects; 16. spiders; ’7, erawflsh; 1, earthworms; 2, otIal; 3, fish; and 14 were empty " (Fisher).

3892.. B. l. alleni [Rh/(111'. Fromiu RED—sunu'i.i>r:RF.i> Hawk—Adults of this species may easily be distinguished from those of 1)’. Iim‘utus by their smaller size, gray ish white head. with black shaft streaks and no rut'ous, the smaller fuseous tips on the s'apulars and inters-apulars, which do not con— ceal the ashy gray bases of the feathers, by the whitish or grayish cheeks and throat. and the oehraeeous-buti'. indistinetly barred under parts. lin- mature birds are very similar to those of B. lz'neatus. and can be distin— guished only by their smaller size and darker color. 6 \\'.,11‘00; T., 7'50; 13.,1'20.

13:11:9e.~Florida. north along the Atlantic coast to South Carolina, west along the Gulf eoast to eastern Texas.

342. Buteo swainsoni 13012111). SWAINsoN‘s llawK. All. 6 .—l'pper parts t'useous—browu. more or less nun-gined with rutbus or butl‘y: primaries tin/lanai, [law outer ones “notehed”; tail slightly grayer than the back. with numerous indistinet. blackish bars showing more plainly on the under surface; breast covered by a large. m'luranmn—rqfuus putt/L; belly white or ochraeeous—butl'. streakul, spotted. 0r barred with blackish, rut'ous. 0r butf. Ail. 9 .—Similar, but larger. the breast patch of the same color as the bark. 3 am] <2 in (III/'1‘ or ”ideals-lie 1;!uz/uq/e.#l-Ititit'e plumage i'useous. the under tail— and under wing—em'erts and the tail sometimes spotted or barred. 1m," l'pper parts t'useous—brown. widely inargined with bully and ruf‘ous; base of the primaries grayish. and sometimes with a few broken bars: tail mueh as in the ad. ; under parts (I('/ll'll(‘t'(lll.¢~l}(Inf. spotted and streaked with blackish. 6 L., 20-00; W..15~HH; T.. 8'50; B. from N.. '75.

Remarka—Between the light and dark phases of coloration there is every degree of intergradation. hut in any plumage this llawk may be distinguished from our other speeies by having only How outer primaries notched. In this l‘espCCt it agrees with 1)’. latixshlt us, from which, however, it difi'ers deeidedly both in size and eolor.

[fungal—Western North America. eastward to the Mississippi : breeds from Texas to the aretie regions. and oceasioually strays eastward to the At— lantie States.

Amt, in trees. thirty to eighty feet, from the ground. ‘ Eggs. two to three, varying from dull bluish white to ereamy white. sometimes unmarked. but generally more or less spotted or blotehed with shades of eiunamonrbrturn. 2'30 x 1'72.

Swainson‘s llawk is of rare oeeurrenee east of the M ssippi. Dr. Fisher writes: “ By prefereuee it, frequents the timber in the rieinity of streams. though often it is found far out on the, prairie, where its only perch is the earth mound of some mammal, or some other slightly elevated knoll."