Report of National Museum, 1890. — RIdgway. 



Plate XXIV. 



Outlines of Tails of Humming Birds. 



Fig. 1. Thaumastura cora. 

 Fig. 2. Chcetocercus Jourdani. 

 Fig. 3. Calothorax lucifer. 

 Fig. 4. Aithurus polytmus. 



Fig. .5. Topazapella. 

 Fig. 6. Acestrura midsanti. 

 Fig. 7. Myrtis fanny. 

 Fig. 8. Trochilus cohibris. 



