I-K'ID.K- TlIK WoonrKCKMltS. r»2!) 



P. trldaotyluB. \)'<y<:\\ n"/\>m willi wliilc iiiiirkinu's, of vnriniis iiiiidiiiiI, 

 Mii'l iliii'cliiMi ; 11 iiioic nr less ilisliiict siipiiilipi-iil wliilc strciik <>r slii|M'. ;iii<l 

 II uKirc or It'f-i iil)|mn'iil iiucliiil IiiuhI »{' llic siiiiii'. Kdiir Id nIx iiiiihllc lail- 

 li.'nllu'rs ciilircly liliii'U ; wlicii six. ilii' ii'iiniiiHlcr arc wliiic, with disiitiL't 

 lilnck Imrs Id llicii- ciiiis ; wlii'ii I'diii-, llicy iiic wliiic wiliioul any liliick liars, 

 except, Dc<!asiDiiiilly a lew iDWiini iIk' li:i>e. Siiii's always wilii Muck streaks 

 Of iimrkiiifrs, Imt tliey arc sDUicliiiics very spiirsi- ; crissuin Kamlcd with 

 binek, or iiiiiiiiieiilalc; sidi's of ilic breast not conliimDiisly bliick. (J. 

 Crown with a imteli of f,MiiiliDf,'c, amber, nr .siilpiiiir-yeilDW, siirrDiiinleil by 

 ft wliitisli siill'iisiDii DP iiiarkiii,i.'s. 9. CrDwii wiihDiit any yellow, lint dis- 

 tinctly streaked, spi'cklcd, or snll'iised n-illi whitish (very seldein plain black). 

 a. Six middle lail-leathers wholly black. Europe and Asia. 



Sides mid crissniii heavily barred with black (black bars aliDUt as 

 widi.' as the white ones). 



Back iisMidly transversely spotted with white; occasionally 

 lonirilndiiially striped with the same in Scandinavian exiunplcs. 

 Win^', 4.80 to.").lO; tail, ;5.80 to 4.00; culuieii, l.'iO to l.:!''. 



I/i(h. MiirDpe var. iv i dnct ijl us} 



Sides and cri.ssnin almost tree tioni black liars; black liars on the 

 outer tail-feathers very much niirrowcr than the white. 



Back always (■.') striped loniritiidiiially with white. Winir, 

 4.70 to 4.7.'): tail. ;!.()."• to ;!.!)0; <'nlmen. 1.20 to l.,'l."). Ilah. 

 Siberia and Ndrthern Uiissia . . . \m: cr i m^nl c 11 ri, a- 



h. Four middle tail-leal licr.s, only, wholly black. North America. 



Sidi's heavily barn.Ml with black, but erissinn •vithout bars, except 

 beneath the surface. Thi-ce outer tail-tt'iillicrs witliDilt black bars, 

 except sniiiclimes on the liasal portion of the inner wcbs. Winj;. 

 4.40 to .'i.lO: tail, ;i.40 to :!.70; culinen, 1.10 to 1.25. 



Mack transversely spottcil or barred with white. llnh. 

 Hudson's Bay rcirion ; sonlli in winter to northern burder of 



Ea.stcrn I'nited States \-m-. <im c r ican hk . 



Baidc lonjjilndinally striped with wliiti; at all seasons. llnh. 

 Rocky Mountains; north to Alaska . . , . \m: tl or mili k . 



* Pirniilci Iridiirtiihi.i, var. triihiclijUis. Pirns tn'i/iicliiliix, Lis.s. ,S. N. 1-Jlli cd. I, 177(17lifi). 

 — I)t;oi,ANli, Orn. Kur. 1, Kil 0^''''- .//''''•""•''■ frii/uctiiln.i, IJdnai'. liirds (]S:iS), p. 9. — 

 Oiu-l.n, lUrds of Kuropc, pi. cixxxii. Pimiiirn trhhieliihts, (ili.VV. Pioiii/i:.i eiuvjxeun, I.Kss. 

 Orn. p. 217 (1831). 



2 /'iciii,/isln'<l(i<-/iiln.i,\nr. crissiilnin(.s. Pirns crissnlfin-ii.f, IJuAXivr, Jlus. I'ctrop. Aplernns 

 crissnhurus, I'.oXAf. C'on.sp. — lif.icil. .Syn. ii. -MVl, No. S;!ii ; pi. dcxxxi, f. 4197, illKS. PioMrs 

 crissoh-iicits, Mai.II. Moiio^'. Pic. 1,180. "Jjita;iHs /.r,mn-li(it/.y,isis, BoNAf." — Mai.ii. MencK. 

 Pic. 1, 180 (ill synonoiny). ApUrnus tridiuiijlus, ^lus. ilc JIayeiieo. — Pallas, Zuogr. lios. 

 As. I, 415. 



67 



