X. SYNOPSIS. 



A. alpinus, Bechst. 



A. modularis, Cuvier. - v. i, p. 179 



Gen. 23. MOTACILLA. Bill straight, slender, subu- 

 late, angulated between the nostrils, notched at the tip ; 

 lower mandible compressed at the sides : nostrils basal, 

 lateral, oval, partly concealed by a naked membrane : tarsus 

 twice the length of the middle toe; outer toe joined at the 

 base to the middle one; claw of the hind toe long; front 

 claws very small: tail very long, nearly even at the end: 

 first quill very short, second longest : tertiaries as long as 

 the quills. 



M. Yarrellii, Gould. - v. i, p. 182 



M. alba, Linn. 



M. Bqarula, Linn. v. i, p. 184 



M. flava, Ray.- v. i, p. 185 



M. neglecta, Gould. 



Gen. 24. ANTHUS. Bill straight, slender, cylindrical, 

 towards the point subulate, and compressed at the middle; 

 upper mandible carinated at the base, bending downwards 

 at the tip and slightly emarginated: nostrils basal, lateral, 

 partly concealed by an arched membrane: outer toe joined 

 to the middle one as far as the first joint; hind claw long 

 and much bent, generally exceeding the toe in length : first 

 quill very short, second a little shorter than the third and 

 fourth, which are longest; tertials as long as the quills. 



A. Richardi, Vieillot. - v. i, p. 186 



A. aquaticus, Bechsf. - v. i, p. 187 



A. pratensis, Bechst. - v. i, p. 189 



A. arboreus, Bechsl. - - - v. i, p. 191 



