Note 127 — Family PICIDÆ.—The Woodpeckers. (continued 2)
Reading edition
Picoides tridactylus, var. tridactylus. Picus tridactylus, Linn. S. N. 12th ed. I, 177 (1766).—Degland, Orn. Eur. I, 161 (1849). Apternus tridactylus, Bonap. Birds (1838), p. 9.—Gould, Birds of Europe pl. ccxxxii. Picoides tridactylus, Gray. Picoides europæus, Less. Orn. p. 217 (1831).