EXPLANATION OF PLATE I. 



Fig. 1. Sternula sinensis, Gmelin. 

 „ 2. Orihonyx sxMldingi, Ramsay. 

 „ 3. Ocydromus sylvcstris, Sclater. 

 ,, 4. Uetcromyias cinereifrons, Kaiusay. 

 „ 5. Mcmla vinitincta, Gould. 



The figures are all of the natural size. 



