240 BLUE I1A^^^K, OR HEN-HARRIER. 



Lath. Ind. p. 48, Sp. 116. — Fal.co cinereus, It. Poseg. p. 27, adolescent Male. — 

 Falco ulbicoUis, Lath. Ind. p. 36, Sp. 81, adult South American Male. — Falco 

 biiffunii, Gmel. Syst. i., p. 277, Sp. 103, Female and young American. — Falco 

 uliginosus, Gmel. Syst. i., p. 278. Lath. /jirf. p. 40, Sp. 95. Sabine, Zool. Jpp. 

 to Franlcl. Exp. p. 671, young American. — Falco ruhiginosus. It. Poseg. p. 29. 

 Lath. Lid. p. 27, Sp. 56, young. — Falco ranivorus, Daudin, Orn. ii., p. 170. 

 Lath. Ind. Suppl. p. 7, young. — Falco enropogistus, Daud. Orn. ii., p. 110, ado- 

 lescent Male. — Ci7-cus europogistus, Vieillot, Ois. Am. Sept. i., p. 36, PL 8, 

 adolescent Male. — Circus Hudsonins, Vieill. I. c. i., p. 36, PI. 9, young. — Circus 

 uliginosus, Vieili,. I. c. i., p. 37, Female and young. — Circus van'cgatvs, Vieill. 

 I. c. I., p. 37, Male changing. — Circus galUnarius, Vieill. Nouv. Did. d' Hist. 

 Nat. IV., p. 459. Circus cyaneus, Id. xxxi., p. 410. — Circus cyaneus, Boie. 

 Circus ranivorus, Vieill. Nouv. Diet, d' Hist. Nat. it., p. 456, young African. — 

 Falco strigiceps, Nills. Orn. Suec. i., p. 21. — Faleo torquatus, Briss. Orn. i., p. 

 345, Sp. 7. Id. 8vo. p. 100, Male and Female, Bronn, Sp. 14. — Falco Montanus 

 cinereus, Briss. Orn. i., p. 355, Sp. 9, Var. A. Id. 8vo. p. 112, adolescent Male. 

 — Accipiter Freti Hudsonis, Briss. Orn. vi., App. p. 18, Sp. 47. — Lariarius cino- 

 reus, Briss. Orn. i., p. 365, Sp. 17. Id. 8vo. p. 106. — Lanarius albicans, Briss. 

 1., p. 367, Sp. 18. — Subbuteo, Gessner, Av. p. 48. — Pygargus accipiter, Ray, Syn, 

 p. 17, Sp. 5. Will. Orn. p. 40, PI. 7. — Falco plumbeus euuda tesselaia, Klein^. 

 Av. p. 52, Sp. 22. — Lanarius, Aldr. Orn. i., PI. 381, 382, adult Male. — Lanarius 

 cinereus, sice Falco cinereo-allnis, Frisch, PI. 79, 80, adult Male. — Falco Monta- 

 nus secundus, Aldr. Will. PI. 9, adult Male. — Albanella, Storia degli Ucc. i., 

 PI. 35, adult Male. — Falco Pigargo, Id. i,, PI. 31, Female. — Autre Oiseau St. 

 Martin, Belon, Hist. Ois. p. 104. — L' Oiseau St. Martin, Burr. Ois. i., p. 212. 

 Id. pi. Enl. 459, adult Male. Gerardin, Tabl. Elem. Orn. i., p. 43.— ia .S^™- 

 buse, Buff. Ois. i., p. 215, PI. 9. Id. I'l. Enl. 443, young Female, 480, young 

 Male. Gerardin, Tabl. Elem. Orn. i., p. 37, Female and young. — Le Grenuuil- 

 lard, Le Vaill. Ois. Afrique i., p. 63, PI. 23, young. — Kore oder Halhircyhe, 

 Bechst. Taseh. Deufsch. p. 25, Sp. 20. Meter & Wolf, Ois. d'Allem. liv. 27, 

 . PL 5, adult Male, PL 6, Female. Naumann, Vog. Deutsch. ed. 2, i., PL 39, fig. 

 1, adult Male, fig. 2, adult Female, PI. 38, fig. 2, young Ma\e.—Mau.ie Habicht, 

 Missilanche, Meter, Boehm. Abh. 6, p. 313, adult Male. — Blue-Hawk, Edw; v., 

 p. 33, PL 225, adult UaXe.—Marsh-Haiek, Edw. p. 173, PL 291. Penn. Arct. 

 Zool. Sp. 105. Lath. Syn. i., p. 90, Sp. 75, Var. A. Female and young. — Ash- 

 colored Mountain Falcon, Lath. Syn. i., p. 94, Sp. 78. Var. A. adolescent Male. 

 — Hen-Harrier, Edw. PL -225, very old Male. AVill. (Angl.) p. 172. Alb. ii., 

 PL 5. Hates, Brit. Birds, PL 1. Lewin, Brit. Birds, i., p. 18. Penn. Brit. 

 Zool. I., Sp. 58, p. 28. Lath. Syn. i., p. 88, Sp. 74. Id. Suppl. p. 22, adult 

 Male. — Ring-tail Hawk, Edw. hi., pi. 107. Penn. Arct. Zool. Sp. 106, Female 

 and jOMXig.— Ring-tail, Will. (Ang.) p. 72. Alb. hi., PL 3. Hayes, Brit. 

 Birds, PL 2. Lewin, Brit. Birds, i., PL 18, Female. Id. PL 2, fig. 4, the egg. 

 Penn. Brit. Zool. Sp. 59. Lath. Syn. i., p. 89, Sp. 75. Id. Suppl. p. 22, Fe- 

 male and young. — White-rumped Bay Falcon, Lath. Syn. p. 54, Sp. 34, Var. B. 

 young. — Hudson's Bay Ring-tail, Lath. Syn. i., p. 91, Sp. 76, yonng^.— White 

 Lanner, Lath. Syn. i., p. 87, Sp. 73, adult Male.— Cray Falcon, Penn. Brit. 

 Zool. I., Sp. 49. Lewin, Brit. Birds, i., PL 15. Lath. Syn. i., p. 82, Sp. 67, 

 adolescent Male. — Neio York Falcon, Penn. Arct. Zool. u , p. 209, adolescent 

 Male. — Ranirorous Falcon, Lath. Syn. Suppl. Female and young. White-necked 

 Falcon, Lath. Syn. Suppl. p. 30, Sp. 101, adult Male, South American. — Cayenne 

 Ring-tail, Lath. Syn. i., p. 91, Sp. 76, Var. A. young. — Falco glaucus, the sharp- 

 winged Hawk, of a pale sky-blue color, the tip of the wings black, Bartr. Trav. p. 

 290, adult Male. — Falco subcceruleus, the sharp-winged Hawk, of a dark or dusky 



