EXPLANATION OF PLATE IV. 
Figs. I and 2. Haliastub sphenurds, Vieillot. 
Whistling Eagle. 
Figs. 3 and 4. Lophoictinia isura, Gould, 
Square-tailed Kite. 
Figs. 5 and 6. Milvus affinis, Gould. 
Allied Kite. 
