116 



CHAKADKIUS. 



Courser-like foot is the best character : the middle toe without the claw is shorter than the 



bill, and less than half the length of the tarsus. 



Geographi- rph e Oriental Dotterel breeds in Mongolia, and winters from Java to Australia. I have 



cal distribu- 

 tion, an example from Samarcand. 



It is nearest allied to the Common Dotterel, with which it agrees in the important 



character of having no white on the outer web of the innermost primaries. 



Tail of Charadrius hiaticula. 



Subgenus HIATICULA. 



Diagnosis of Charadrii axillaribus albis : halluce nullo : abdomine albo : cauda fascia obscura prope apicem 

 subgenus. omata. 



Subgeneric The characteristic feature of the Ringed Plovers is the dark subterminal band across the 



c arac era. tail-feathers, a character which separates them from the Sand-Plovers, the Typical Plovers, 



and the Pour-toed Dotterels. In order to separate them from the four Three-toed Dotterels, 



which have a more or less developed black subterminal band across the tail, it is necessary 



