Report of National Museum, 1890. Ridgway. 



PLATE XX. 



OUTLINES OF TAILS OF HUMMING BIRDS. 



Fig. i. Sporadinus elegans. 

 Fig. 2. Heliomaster furcifer. 

 Fig. 3. Popelairia langsdorfi. 

 Fig. 4. Ptochoptera iolcema. 



Fig. 5. Tilmatura duponti. 

 Fig. 6. Rhodopis vesper. 

 Fig. 7. Popelairia conversi. 



