CRESTED TURTLE. 175 



species, in relation to the other Columbidae, can be 

 satisfactorily ascertained. The following is a de- 

 scription of the plumage of the adult male. 



The bill, which is small and slender, is black. 

 The head, neck, and the whole of the under plum- 

 age, pale gray ; the hind neck slightly tinged with 

 lavender-purple. Crest horizontal, composed of se- 

 veral long acuminated narrow feathers, of a grayish- 

 black colour. Back and lesser wing- coverts inclin- 

 ing to clove-brown, each feather terminated with 

 yellowish-brown, and having a transverse black bar. 

 Greater coverts of a shining metallic green, 6nely 

 edged with white. Secondaries with their exterior 

 webs of a metallic purple, spotted with black ; the 

 exterior webs and greater quills blackish-gray. Low- 

 er back, rump, and two middle tail-feathers, umber- 

 brown ; the rest of the tail violet, with a green me- 

 tallic lustre ; the tips of tbe feathers white. 



