84 



U. S. p. R. R. EXP. AND SURVEYS — ZOOLOGY — GENERAL REPORT. 



Comparative measurements of species. 



PICUS VILLOSUS, Linnajus. 



Hairy Woodpecker; Sapsuckcr 

 Variety major. — Northern and Western regions. 



? Picus leucomelaa, Bodd.\ert, Tabl. PI. F.nl. 1783, (No. 345, f. 1,) (Gray.) 

 ? Picus canadensis, Gmei.in, Syst. Nat. I, 1788, 437. 



? Latham, Ind. Orn. I, 1790,231. 



Add. Orn. Biog. V, 1839, 188 ; pi. 417.— Ib. Syn. 1839, 177.— Ib. Birds America, IV, 1842, 235; 

 pi. 258.— BoNAp. Consp. 1850, 137.— Ib. Aton. Ital. 1854, 8. 

 Picks villosus, Forster, Philos. Trans. LXII, 1772, 383. 

 Picus ( Dendrocopu.i) villosus, Sw. F. Bor. Am. II, 1831, 305. 

 Picus pitillipsii, AuD. Orn. Biog. V, 1839, 186 ; pi. 417.— Ib. Syn. 1839, 177.— Ib. Birds Amcr. IV, 1842, 238 ; pi. 



259, (immature, with yellow crown.) — Nctt. Man. I, 2d ed. 1840, 686. , 

 Picus septentrionalis, Ndttall, Man. I, 2d ed. 1840, 684. 



Variety medius. — Middle States. 



Picus riHosus, Linn. Syst. Nat. I, 1766, 175.— Vieillot, Ois. Am. Sept. II, 1807, 64 : pi. c.vx.— Wilson, Am. Orn. 

 I, 18(IH, 1.50 ; pi. ix.— Waoler, Syst. Av. 1827, No. 22.— Am.. Orn. Biog. V, 1839, 164 ; pi. 416.— 

 Ib. Birds Amer. IV, 1842, 244 ; pi. 262.— Bonap Conspectin, IH.'iO, 1.37. 



Picus leucomelanus, Waci.er, Syst. Av. 1827, No. 18, (young male in summer.) 



Picus martinae, At:i>. Orn. Biog. V, 1839, 181 ; pi. 417.— Ib. Syn. 1839, 178.— Ib. liirds Amor. IV, 1842, 24(1 ; pi. 



260, (young male, with red feathers on ciown.) 



Picus rubricapillus, Nutt. .Man. I, 2d ed. 1840, G85, (same as preceding.) 

 Hairy woodpecker, Pennant, Latham. 



