CATALOGUE Of BRITISH BIRDS. 
121 
Order III. SCANSORES. 
Accipitres, pt. Mceh. (1752). 
Picae, pt. Linn, (1735) ; Moehr. (1752); Lath, (1790). 
Plumipedes, pt. Schceff. (1774). 
Fissipedes isodactyles, pt. Schceff. (1774). 
Retipedes, pt. — Psittaces — Scutipedes, pt. — Negliges, pt. Scop. 
(1777). 
Scansores, Cuv. (1795—1796) (1799—1800) (1817) ; Temm, (1815). 
Keys. ^ Bl. (1840). 
Cuneirostres, pt. — Laevirostres, pt. Cuv, (1799 — 1800). 
Psittacini — Serrati, pt. — Amphiboli — Sagittilingues, Illiger (1811). 
Psittacini — Macroglossi — Barbati, pt. — Imberbi — Pteroglossi, 
Vieill, (1816). 
Zygodactyli, Temm. (1820). 
Rampicanti — Antilambani — Chenoramfi — -Pogonofori — Agenii — 
Beloglossi, Ranz. (1 823). 
Scansores, Vigors. (1826). 
Scandrices— Cuculatrices, Macgill. (1840). 
Fam. I. PICID^. 
i. PlCIN^. 
1, PICOIDES. 
Picoides, Lacep. Mem. de ITnstit. (1800 — 1801). 
Tridactylia, Steph. Gen, Zool. ix. p. 218, xiv. p. 173 (1815). 
Apternus, Swains. Fauna Bor. Amer. ii. p. 302 (1831). 
1. Picoides tridactylus. The Northern Three-toed Woodpecker. 
Picustridactylus, Linn. S. N. i. p. 177 ; Temm, Man. d’Orn. 1815, 
p. 246 ; Naum. Vbg. Deuts. (1826) v. p. 346, t. 137 ; Jenyns, 
Man. B. Vert. An. p. 151 ; Schleg. Rev. Crit. des Ois. d’Eur. p. 
50 ; Eyton^ Cat. Brit. B. p. 66. 
Picus hirsutus, Vieill. Ois. d’ Amer. Septr. 1. 124. 
Dryobates tridactylus, Boie, Isis (1828), p. 326. 
Tridactylia hirsuta, Steph. Gen. Zool. ix. p. 219. 
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