U. S. P. R. R. EXP. AND SURVEYS—ZOOLOGY—GENERAL REPORT. 
Comparative measurements of species. 
Species. 
Locality. 
Picus villosus...,....| 
oo cee TO. sceeee 
Picus (audubonii 
Picus (phillipsi) 
Picus (martinae) 
Picus harrisii . 
Louisiana? 
.| Massachusetts... 
Canada...... . 
.| Little Colorado .. 
] ] | ] 
| | | 
Sex &|Length.| Stretch | Wing. | Tail. | Tarsus. | Middle 
age. of wings. toe. 
Bill 
above. 
[ts claw 
alone. 
Specimen 
measured. 
106 © 
New Mexico. ....|seeee+ 
Vancouver eseeee 
8. 
71.2 
9. 
8. 
8. 
8. 
at Ao 
* 9. 
8. 
6. 
6. 
6. 
Pac eeeicasel| saan 6. 
California ....... 6. 
.| Sacramento val..|...... 5. 
.| Shoalwater bay..| 3. 
Melaieiere WO.seeeeeeee| eee 6 
Georgia...... +++ 3 de 
eee cle dO.eeeeeeeee| O ae 
neleaters dO. erecieiesns| seen 8. 
Santa Clara, Cal..|...... 6. 
| Petaluma......-- 6. 
T@XaS. cccasccces|ssncce 6. 
dO. s.cccee eeceee |fateteers dO..006 Q 6. Skin. wee... 
Picus albolarvatus.... Spokan river..... Q 8. Skin. ...... 
Picus villosus, Forster, Philos. Trans. LXII, 1772, 383. 
PICUS VILLOSUS, Linneus. 
Hairy Woodpecker; Sapsucker’ 
Variety major.—Northern and Western regions. 
2 Picus leucomelas, Bopparrt, Tabl. Pl. Finl. 1783, (No. 345, f. 1,) (Gray.) 
?Picus canadensis, Gmewin, Syst. Nat. I, 1788, 437. 
2Laruam, Ind. Orn. I, 1790, 231. 
Aun. Orn. Biog. V, 1839, 188; pl. 417.—Is. Syn. 1839, 177.—Is. Birds America, IV, 1842, 235; 
pl. 258.—Bonap. Consp. 1850, 137.—Is. Aten. Ital. 1854, 8. 
Picus (Dendrocopus) villosus, Sw. F. Bor. Am. II, 1831, 305. 
Picus phillipsii, Aup- Orn. Biog. V, 1839, 186; pl. 417.—Is. Syn. 1839, 177.—Is. Birds Amer. IV, 1842, 238 ; pl. 
259, (immature, with yellow crown.)—Nurvr. Man. I, 2d ed. 1840, 686. 
Picus septentrionalis, Nurtai, Man. I, 2d ed. 1840, 684. 
Variety medius.—Middle States. 
Picus villosus, Linn. Syst. Nat. I, 1766, 175.—Viestxort, Ois. Am. Sept. II, 1807, 64; pl. exx.—Wirson, Am. Orn. 
I, 1808, 150; pl.ixi—Wacter, Syst. Av. 1827, No. 22.—Avp. Orn. Biog. V, 1839, 164; pl. 416.— 
Is. Birds Amer. IV, 1842, 244; pl. 262.—Bonar Conspectus, 1850, 137. 
Picus leucomelanus, Wacier, Syst. Av. 1827, No. 18, (young male in summer.) 
Picus martinae, Aup. Orn. Biog. V, 1839, 181; pl. 417.—In. Syn. 1839, 178.—Is. Birds Amer. IV, 1842, 240; pl. 
260, (young male, with red feathers on crown.) 
Picus rubricapillus, Nurr. Man. I, 2d ed. 1840, 685, (same as preceding.) 
Hairy woodpecker, PeNNant, Latuam. 
