302 BULLETIN" 50, UNITED STATES NATIONAL MUSEUM. 



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

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

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

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

 City, 1 spec). — Woodruff, Bull, ^n, Chicago Ac. Sci., 1907, 110 (Chicago 

 area, rare winter visitant). — Townsend 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 R.).— Nash, Vertebr. Ont., 

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

 (Yukon R., Alaska). 



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

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



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



Tlridactylia] arctica Cabanis and Heine, Mus. Hein., iv, heft 2, 1863, 27. 



Picus tridactylus (not of Linnaeus) Bonaparte, Am. Orn., ii, 1828, 14, pi. 14, 

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

 bon, Orn. Biog., ii, 1834, 198; v, 1839, 538, pi. 132.— Nuttall, Man. Orn. 

 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 Grinnell (J.), Pacific Coast Avifauna, no. 3, June, 1902, 38 

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

 California, breeding). 



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



Genus PICUMNUS Temminck. 



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



P. cirrhatus Temminck.) 

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



Linnseus.) 

 Piculus Geoffroy Saint-Hilaire, Nouv. Ann. du Mus. d'Hist. Nat., ser. 3, i, 



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

 Microcolaptes Bonaparte, Ateneo Italian©, ii, 1854, 126 (Consp. Volucr. Zygod., 



1854, 11). (Type, Piaimnus d'orbignianu^ Jjairesnaye.) 

 Craugiscus a Cabanis and Heine, Mus. Hein., iv, heft 2, May, 1863, 10. (Type, 



Picumnus dnnamomeus Wagler.) 



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

 nearer to tomium than to cubnen, 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, culmen 

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

 dusky stripes on side of head. 



BUI 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 point; 

 culmen 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 " Diminutivform von K|oauj-(3f , Specht. " (Cabanis and Heine.) j 



