( 41 ) 
motacilla , 
Wag-tails. 
Bechst. 
t. Lavandieres. 
/?. BUDYTES. 
A long tail, which they 
move up and down in- 
cessantly. 
Nail of the great toe 
curved in all the other 
MotacilldR except the Bu- 
dytes. 
Nail of tire great toe 
elongated and a little 
arched. 
Legs long ; the scapu- 
lar j leathers sufficiently 
long to cover the end of 
the wing when folded. 
Live in pastures 
iue insects. 
pur = 
g. Anthus, Bechst. 
Beak slim. 
Nail of the great toe Scapular j feathers of 
long. ordinary length. 
FAMILY IL FISSIROSTRES. 
GENE1\A AND SUB-GENERA. 
^ Dim nee. Close f firm, plumage. 
1. HiKUNDO, Lin. 
a. Apus, Cuv. Cypselus, 
Illig. Martins. 
Feet very short ; the 
great toe directed for- 
wards and the middle 
and exterioi- toes with 
only three joints like the 
Tail forked. 
Wings extremely 
long, flight rapid. 
Sternum without 
notch (1). Nest in holes 
of walls and rocks ; 
climb along the smooth- 
est surfaces. 
>. HiRUNDO, Cm'. Swal- 
lows. 
Toes and sternum as 
in thegenerality oi Pas- 
j^) Ordinarily there is one notch on each side of the loTver edge. 
