FALCONID.E — THE FALCONS. 237 



tarsus. 2.80 -. '!.!.") ; middle too, 1.80 -'2.20. Ilah. Northern portions 



of the Old Woild viir. jial ii m hti ri us,^ 



Ailull. Ahove lihiish .-ilatL'-color, with (.'onsiiionoiis darker shaf't-streuks; 

 top of the head deep bhick ; niarkini,'s on the lower part.s in the form 

 of irie^ndarly defnuMl, na.row, zif^zag bars, or line lines, of a hhiish-.slaty 

 tint ; throat not barred. T;;il with only about four indistinet bands of 

 blackish. AVinfr, 12 00 - 14.70 ; tail, 9.50 - 12.7.") ; culmen, .80 - 1.00 ; 

 tarsus, 2.70-3.20; middle toe, 1.70-2.00. Hub. Northern portions 

 of North America viir. atricapiJlu.i. 



Astur palumbarius, var. atricapillus (Wils.). 



AMERICAN GOSHAWK. 



Falco atricnpillits, Wii.s. Am. Orii. 1808, pi. lii, f. 3. — HoNAr. Nonv. Giorn. Pisn, XXV, 

 pt. ii, p. 55. Astur uli-iaqrillus, lio.SAl'. Os. Cuv. Keg. An. p. 33. — Ib. List, 1838, 

 b ; t'oiisp. 31. — Wii.s. Ami. Orii. II, 284. — Kavi-, Mono},'. Falf. .lardinf's tVitr. Oru. 

 1850, 06. — Dk Kav, Zoiil. N. Y. II, 19, pi. ii, fig. 4 (ad.), f. 5 ($ juv.). — Nfrr. 

 Man. 85. — Sturki.. Orn. Syii. I, 118. — Nkwb. P. It. Kep. VI, iv, 74. — Coor. & 

 Su< K. P. li. Hop. XII, ii, 144. — Loim, .Pr. H. A. 1. IV, IStJO, 110. — Ulakiston, 

 Ibis, HI, 18tjl, 310. — tJuAY, Hand List, I, 1800, 29. — Hiii'.WKU, Oology, 1857, 17. 

 Falco palumbarius, Sau. Kriinkl. K.xp. 070. — HoNAi'. Ann. N. V. Lye. 1I,2S.— Arn. 

 Kdinl). J. Xat. (ieog. .Sc. HI, 145. — In. 15. Am. pi. c.\li ; Orn. Hiog. II, 241.~(!l- 

 KAVD, B. Long I.-ifd, 18. — Pkab. 15. Ma.ss. HI, 77. Astur palumbarius, Sw. k Kiiir. 

 F. B. A. II, pi. x.\vi. — Jamks. Wh.s. Am. Oni. I, 03. — Ari). Syn. B. Am. 18.— 

 BnEWEii, Wils. Am. Oni. 685, pi. i, tig. 5. — Guay, List B. Brit. Miis. 63. 



Sp. Char. Adult male (44,040, Boston, Mass.; E. A. .Samuels). Above contiinious 

 blui.sh-slatc, .shafts of the feather incon.spicnously black ; tail darker .ind less bluish, tipped 

 with white" (about .2') of an inch wide) and cro^ ;ed by five broad, faintly defined bars of 

 blackish, the.sc most distinct on inner webs (the lirst concealed by the upper coverts, the 

 second partially so; the last, or snbterminal one, which is about twice as broad as the rest, 

 meastnin;,' about one inch in width). Prinniries darker than the tail (but not approaching 

 black). Forehead, crown, occi])ut, and ear-coverts pure plumbeous-black ; feathers snowy- 

 white beneath the .surface, much exposed on the occiput ; a broad conspicuous supra- 

 oral stripe originating above the ])ostcrior angle of the eye, running back over the ear- 

 covets to the occiput, pure white, with line streaks of black; lores and cheeks grayi.sh- 

 whitc. Lower parts white; the whole surface (except throat and linvcr tail-covert.s) 

 covered with mnuerous narrow transverse bars of .slate ; on the breast these are much 

 broken and irregular, forming fine transver.se zigzags; i)osteriorly they arc more regular, 

 and about .10 of an inch wide, the while a -.cry little more. Chin, throat, and <'heeks 

 without transverse l)ars, but with very ."iliarp shaft-lines of black ; breast, sides and abdo- 

 men, a medial longitudinal broad streak of slate on each feather, the shalt black; on the 

 tiliite, where tin; transverse liars arc narrower and more regular, the shaft-streaks are also 



1 Astur palumbarius, var. p^'umlmrius {l.\ss.). Falco palumbarius, LiNX. S. N. 1760, 130. 

 Astur p., Ct'V. Reg. An. (cd. 1), 1, 320 ; et ArcT. Ifab. Europe and Asia. 



Sped mills c.ramiucil. — National Museum, 2 ; Philadelphia Academy, 10 ; Bcston Society, 5 ; 

 Museum Comp. Zoiil., Candaidge, 1 ; New York Museum, 1. Total, 19. 



Mea.iuiriiiciits. — ^. Wing, 12.25-13.70; tail, 9.40-10.00; eulmen, .80; tar.sus, 3.00; 

 middle toe, 1.80. J. Wing, 13.80-14.50; tail, 10.10-10.90; culmcu, .90-. 95; tarsus, 

 2.80-3.15 ; middle toe, 2.05-2.20. 



