302 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



neaux I., Michigan, abundant in Oct. and Nov.).— Weight, Auk, xxii, 1905, 

 80 (Middlesex Co., Massachusetts, 1 spec, Oct., Nov.).— Adams, Ecol. Surv. 

 N. Mich., 1906, 115 (Porcupine Mts., Michigan, July).— Andekson, Proc. 

 Davenport Ac. Sci., xi, 1907, 274 (Omaha, Nebraska, 1 spec, Dec. 15; Dakota 

 City, 1 spec). — Woodbufp, Bull, vi, Chicago Ac Sci., 1907, 110 (Chicago 

 area, rare winter visitant). — ^Townsbnd and Allen, Proc. Bost. Soc. N. H., 

 xxxiii, 1907, 376 (Labrador, common resident). — ^Preble, North Am. Fauna, 

 no. 27, 1908, 381 (north to lat. 63° on Mackenzie K.).— Nash, Vertebr. Out., 

 1908, Birds, p. 49 (n. Ontario, resident). — Geinnell, Condor, xii, 1910, 42 

 (Yukon R., Alaska). 



[Picoides] arcticus Gray, Hand-list, ii, 1870, 181, no. 8539. — Coues, Key N.Am. 

 Birds, 1872, 194.— Shaepb, Hand-list, ii, 1900, 217. 



Picoides arcticus arcticus Bangs, Auk, xvii, April, 1900, 129 (crit.). 



T[ridactylia] arctica Cabanis and Heine, Mus. Hein., iv, heft 2, 1863, 27. 



Picus tridactylus (not of Lirmseus) Bonaparte, Am. Om., ii, 1828, 14, pi. 14, 

 fig. 2.— Jardine, ed. Wilson's Am. Om., iii, 1832, 423, pi. 14, fig. 2.— Audu- 

 bon, Om. Biog., ii, 1834, 198; v, 1839, 538, pi. 132.— Nottall, Man. Om. 

 U. S. and Can., 2d ed., i, 1840, 578. 



Picoides arcticus tenuirostris Bangs, Auk, xvii, no. 2, April, 1900, 131 (Ft. Kla- 

 math, Oregon; coll. W. Brewster). 



Picoides tenuirostris Geinnell (J.), Pacific Coast Avifauna, no. 3, June, 1902, 38 

 (California range). — ^Eat, Auk, xx, 1903, 184 (high Sierra Nevada, centr. 

 California, breeding). 



[Picoides] tenuirostris Sharpe, Hand-list,' ii, 1900, 217. 



Genus PICUMNUS Temminek. 



Picumnus Temminck, Planches Col., livr. 62, Sept., 1825, text to pi. 371. (Type, 



P. drrhatus Temminck.) 

 Asthenurus Swainson, Zool. Joum., iii, 1828, 353. (Type, Pipra minuta 



Linnseus.) , 

 Piculus Geopfeoy Saint-Hilaiee, Nouv. Ann. du Mus. d'Hist. Nat., eer. 3, i, 



1832, 396. (Type, Pipra minuta Linnseus.) 

 Microcolaptes Bonapaetb, Ateneo Italiano, ii, 1854, 126 (Consp. Volucr. Zygod., 



1854, 11). (Type, Picumnus d'orbignianus'LaiTeBaa.ye.) 

 Craugiscas "■ Cabanis and Heine, Mus. Hein., iv, heft 2, May, 1863, 10. (Type, 



Piewmnus cinnamomeus Wagler.) 



Very small Picumninse (wing about 49-55 mm.) with nostril much 

 nearer to tomium than to cuhnen, gonys much longer than mandi- 

 bular rami, outermost (tenth) primary less than half as long as 

 ninth, inner web of middle rectrices white or pale yellow, cuhnen 

 longer than outer hind toe without claw, aaid without whitish or 

 dusky stripes on side of head. 



Bill shorter than head, much compressed, cuneate in lateral 

 profile, pointed, or not distinctly chisel-shaped at tip, its width at 

 anterior end of nostrils decidedly less than its depth at same potat; 

 cuhnen straight or slightly convex, distinctly but not sharply ridged; 

 gonys straight or very nearly so, ascending terminally, faintly 

 ridged; maxilla without supranasal ridge or prenasal groove, its 

 tomium shghtly convex and deflected for basal half. Nostril very 



o " Diminutivf orm von xjoouj-ir, Specht. ' ' (Cabanis and Heine.) 



