MORTACILLA FLAVA. 
YELLOW WAGTAlL.^ 
Generic Character. See Mortacilla vulgaris. 
Synonyms, 
Mortacilla Flava, Lin. Syst. 1. p. S3. 12. Ind. 
0)71 2. p. 504. 8. 
Yellow Wagtail. Br. Zool. 1. MS. Ih.foL 105. 
Arct. Zool. 2. p. 396. tab, F. Lath. Sj/n. 
4. p. 400. 6. lb. Supt. p. 179. Mont. 
Orn. Diet. Vol 2. Bewick's Br. Birds, 
Ft. I. p. 206. 
JL HIS delicate lively bird is seven inches in length, nine 
and a half in breadth, and weighs about ten drams. Bill , 
sharp-pointed, having a notch in the upper mandible near 
the tip ; irides dark hazel ; legs and claws slender, the 
bind claw nearly straight, about twice the length of the 
others. The colours of both sexes are disposed alike, but 
those of the female are less lively than in the male. 
In elegance of shape, delicacy of colour, and liveliness 
of manners, this bird is rarely surpassed ; it is the most 
common of the genus in many parts of this country, and is 
readily distinguished from the other species by its flight, 
which is not so undulated as the Common or White, 
and 
