EXPLANATION OF PLATE I. 
Fig. 1. Sternula sinensis, Gmelin. 
,, 2. Orthonyx spaldingi, Ramsay. 
,, 3. Ocydromus sylvestris , Sclater. 
,, 4. Heteromyias cinereifrons, Ramsay. 
„ 5. Merula vinitincta, Gould. 
The figures are all of the natural size. 
