Report of National Museum, 1890.— Ridgway. 



Plate XX. 



Outlines of Tails of Humming Birds. 



Fig. J. Sporadinus elegans. 

 Fig. 2. Heliomaster fiu-cifer. 

 Fig. 3. Popelairki langsddrfi. 

 Fig. 4. Ptitchopiern iola'ma. 



Fig..'"). Tdmutura duponti. 

 Fig. 6. Rhodopis vesper. 

 Fig. 7. Popelairia conversi. 



