222 
SYNONYMS. 
p. 59. Selby , III. Brit. Orn. 1, p. 26, pi. 10, fig. 1, male ; 
fig. 2, female. Savi, Orn. Tosc. 1, p. 63. Nob. Cat. and Syn. 
Birds U. S. sp. 22. — Falco pygargus, Linn. Syst. 1, p. 126, 
sp. 11. Gmel. Syst. ], p. 277, sp. 11, female and young. — . 
Falco Hudsonius, Linn. Syst. 1, p. 128, sp. 19. Gmel. Syst. 
1, p. 277, sp. 19, young, American. — Falco Bohemicus, Gmel. 
Syst. 1, p. 276, sp. 107. Lath. Ind. p. 38, sp. 93, adult male. 
- — Falco Albicans, Gmel. Syst. 1, p. 276, sp. 102. Lath. Ind . 
p. 38, sp. 93, adult male. — Falco griseus, Gmel. Syst. 1, p. 275, 
sp. 100. Lath . Ind. p. 37, sp. 86. Gerard , Tabl. Elem. 
p. 37, adolescent male. — Falco montanus, var. B. Gmel. Syst. I, 
p. 278, sp. 106. Lath . Ind. p. 48, sp. 116 Falco cinereus, It. 
Poseg. p. 27, adolescent male. — Falco albicollis, Lath . Ind. 
p. 36, sp. 81, adult Soutli American male Falco Buffonii, 
Gmel. Syst. 1, p. 277, sp. 103, female and young, American. — 
Falco uliginosus, Gmel. Syst. 1, p. 278. Lath. Ind, p. 40, 
sp. 95. Sabine , Zool. App. to Frankl. Exped. p. 671, young 
American. — Falco rubiginosus, It. Poseg. p. 29. Lath. Ind. 
p. 27, sp. 56, young. — Falco ranivorus, Baudin , Orn. 2, p. 170. 
Lath. Ind. Suppl. p. 7, young. — Falco europogistus, Baud. 
Orn. 2, p. 1 10, adolescent male. — Circus europogistus, Vieillot , 
Ois. Am. Sept. 1, p. 36, pi. 8, adolescent male. — Circus Hud- 
sonius, Vieill. 1. c. 1, p. 36, pi. 9, young. — Circus uliginosus, 
Vieill. 1. c. 1, p. 37, female and young. — Circus variegatus, 
Vieill. 1. c. 1, p. 37, male changing. — Circus gallinarius, Vieill. 
Nouv. Bict. d" Hist. Nat. 4, p. 459. Circus cyaneus, Id. 31, 
p.410. — Circus cyaneus, Boie. Circus ranivorus, Vieill. Nouv. 
Bid. d'Hist. Nat. 4, p. 456, young, African. — Falco strigiceps, 
Nills. Orn. Suec. I, p. 21. — Falco torquatus, Briss. Orn. 1, 
p.345, sp. 7. Id. 8vo, p. 100, male and female, Brunn. sp. 14. 
— Falco montanus cinereus, Briss. Orn. 1, p. 355, sp. 9, var. A. 
Id. 8vo, p. 112, adolescent male Accipiter Freti Hudsonis, 
Briss. Orn. 6, App. p. 18, sp. 47. — Lanarius cinereus, Briss . 
Orn. 1, 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, cauda tesselata, Klein , Av. p. 52, sp. 22. 
— Lanarius, Aldr. Orn. 1, pi. 38 1-, 382, adult male. — Lanarius 
cinereus, sive Falco cinereo-albus, Frisch , pi. 79, 80, adult male. 
• — Falco montanus secundus, Aldr. Will. pi. 9, adult male. — 
Albanella , Storiadegli Vcc. 1, pi. 35, adult male. — Falco Pygargo, 
Id. 1, pi. 31, female. — Autre Oiseau St Martin, Belon , Hist. 
Ois. p. 104. — L’Oiseau St Martin, Buff. Ois. 1, p. 212. Id. 
PI. enl. 459, adult male. Gerardin , Tabl. Elem. Orn. 1, p. 43. 
— La Soubuse, Buff. Ois. 1, p. 215, pi. 9. Id. Pl. enl. 443, 
young female, 480, young male. Gerardin , Tabl. Elem. Orn. 
1, p. 37, female and young. — Le Grenouillard, Le Vaill. Ois. 
Afrigue , 1, p. 63, pl. 23, young. — Kore oder Halbweyhe, Bechst. 
