354 Messrs. Salvin and Elliot on the Trochiiidre. 



distinguished, one of which, however, T. Incite, appears 

 somewhat doubtful ; but beyond those given in the present 

 paper, we see at present no grounds for maintaining other 

 species. 



The genus Thalurania is apparently divisible into five sec- 

 tions, with sufficient characters to enable each species to 

 be readily referred to the one to which it properly belongs. 

 The sections are : — 



A. Species with the top of the head purplish blue. 



B. Species with top of the head dull green. 



C. Species with top of head aud back jet black. 



D. Species with top of head brilliant metallic green. 



E. Species with head and neck deep rich purplish blue. 



Division A. 



A. Species with entire underparts green. 



a'. " Bill entirely black ; thighs dark brown, 

 tipped with white ; feet brown above, yel- 

 low below " , 1. T. glaucopis. 



b'. ll Bill partly yellow ; thighs nearly pure 



white ; feet very pale " ! ! 2. T. hici<r. 



B. Abdomen prussian blue 3. T. columbica. 



Division B. 



Underparts rich purple. Tail much forked 4. T. furcata, 



Underparts purplish blue. Tail slightly forked . . 5. T. furcatoidcs. 



Underparts prussian blue 0. T. nigrofasciata. 



Back blue. Tail deeply forked 7. T. wabertoni. 



Division C. 



Size large. Tail deeply forked ; underparts prussian 



blue 8. T. refulgens. 



Division D. 



Back green ; underparts prussian blue 0. T. eripkile. 



Underparts green 10. T. hypochlora. 



Division E. 

 Body brilliant metallic green. Tail forked 11. T. wagleri. 



