THE BIRDS OF MONGOLIA ETC. 



159 



List of Birds during Spring Migration (continuecT). 



MAY. 





1871. 



1872. 



1873. 





S.E. Mongolia, from 

 Kalgan to the Hoang-lao. 



Valley of the Hoang-ho 

 and Northern Ala-shan. 



Kan-su mountains. 



May 2 ... 

 „ 3 ... 





Cypselus apus. 

 Sylvia curruca. 





Chatura caudacuta 





„ 4 ... 



Gallinago heterocerca * --A 



CheUdon cashmiriensis * . . . 

 Erythrosterna leucura 



Corydallus richardii. 

 Cuculus canorinus. 



„ 5 ... 



RhynchcBa bengalensis 



Monticola saxatilis *. 





„ 6 ... 



Euspiza aureola 



Calliope kamtschatkensis *. 





„ 7 ... 



Charadrius fulvus. 





8 





Cyanecula ccerulecula. 





„ 9 ••• 



Turdus pallens. 





„,.{ 



Cypselus pacificus * '\ 



Larvivora cyane * >- 



Cuculus canorinus J 



Cecropis daurica. 





.,.{ 



Cypselus apus. 

 Emberiza spodocephala. 







„ 14 ... 





{ 



Cypselus pacificus. 

 Cecropis daurica. 





„ 15 







Caprimulgus jotaca. 



„ 17" ... 





Emberiza spodocephala. 





VOL. III. 



2a 



