220 BIRDS OF INDIA. 



Northern Asia. Mr. Blytli remarks that these three species of true 

 VVa^-tail differ from the European species, in all having more white 

 on the wing-coverts and tertiaries, and in the neck being black all 

 round when in summer dress. 



Besides il/. higubriso'i Europe and Northern Asia already aUuded 

 to, the only other true Wagtails recorded, are four from Africa; 

 one (if. lohgicduda, figured by Riippell,) being remarkable for 

 its particularly long tall. 



2nd.— Wood Wagtails. 

 Gen. Calobatfs, Kaup. 



Syn — PaUmura, Bonap. 



Char. — 'QiW more felender than in Motnciila; wini! slightly shorter, 

 and terti;ds less elongated; tarsus shorter, and pale colored; 

 hind toe short, with the claw a little longer and moderately curved; 

 otherwise as in MutacHla. 



'J his form chiefly differs in the more slender form, pale feet and 

 lei's, and iu its mode of coloration, by which it forms a link to the 

 next group. 



592. Calobates sulphurea, Bechstein. 



Motacilla, apud Bechst. — Blyth, Cat. 771 — HoiiSF., Cat. 555 

 — M. boarula, Temm. — Jkhdon, Cat. 137 — Gould, Birds of 

 Europe pi. 147 — M. bistrigata, Raffles — Mudi-tippudu-jitta, Tel. 



The Guey and Yillow Wagtail. 



Descr. — Plumage above pale grey, with a wash of olivaceou'? ; 

 upper tail-coverts pale yellow, also the edges of the tertiaries ; 

 superciliiun, chin, an i tliro:it, white; 'rest of the lower parts pale 

 yellow, greenish on the middle, and laterally pure yellow ; under 

 tail-coverts darker yellow ; a white wing-band ; wings and tail 

 brownish black, the three outer tail-feathers on each side, white on 

 the inner web, the outermost wholly so. 



In summer the chin and tliroat become black with a whitish 

 border, and the yellow of the lower parts is darker. 



Bill black ; legs pale brown ; irides brown. Length 7^ inches ; 

 ■wing 2^ ; tail 3-^; bill at front -^-^ ; tarsus y^^. 



This pretty and delicate Wagtail is widely diffused, inhabiting 

 all Europe, Asia as far as Australia, and Africa, It is migratory 



