40 BIRDS OF BRITISH GUIANA. 



Nest. Undescribed in British Guiana. 



Eggs. Unrecorded from British Guiana. 



Range in Bntisli Guiana. Mount Roraima {]]Jutel(/). 



Extralimital Range. Colombia, Ecuador, Peru, Bolivia. 



Habits. Unrecorded in British Guiana. 



23. Columba purpureotincta. 



Purple-tinted Pigeon. 



C'olnmha imrfureotincta Ridgw. Proc. U.S. Nat. Mus. x. p. 594, note, 



1887 (Demerai-a) ; Brabovu-ne & Chubb, B. S. Amer. i. j). 16, no. IGl, 



1912. 

 Columha pliimhea Salvin. Ibis, 1886. p. 173 (Bartica Grove, Camacusa) ; 



Salvad. Cat. B. Brit. Mus. xxi! p. 323, 1893 (Carimang Kiver, 



Roraima, Ourumee). 

 Cohunha viiiacea Temm. & Knip (nee Gmel.), Salvin, Ibis, 1886, 



p. 173 (Roraima, Bartica Grove, Camacusa). 



Adult male. Head, hind-neck, throat, and entire under surface 

 vinous, including the axillaries and under wing-coverts ; entire 

 hack, wings, and tail earth-brown with a vinous tinge. 



Total length 285 mm., culmen 14, wing 178, tail 114, tarsus 18. 



The male described was obtained on the Mazaruni River. 



Adult female. Similar to the adult male but everywhere duller 

 in the colour of the plumage and show pale lilac spots on the lower 

 hind-neck. Wing 165 mm. 



The female described was collected on the Berbice River. 



Breeding-season. Unknown in British Guiana. 



Nest. Undescribed in British Guiana. 



Eggs. Unrecorded from British Guiana. 



Range in British Guiana. Ituribisi River, Supenaam River, 

 Bartica, Kamakabra River, Bonasika River, Makauria River, 

 Abary River, Aruparu River, Berbice River, Mazaruni River, 

 Great Falls, Demerara River [McConnell collection) ; Mount 

 Roraima, Kamakusa, Kamarmang River, Ourunei [Wldtely). 



Extralimital Range. Venezuela. 



Hahits. Unrecorded in British Guiana. 



Genus ZENAIDA Bonnp. 



Zcnaida Bonaparte, Comp. List Birds Eur. & N. Amor. p. 41, 1838. 

 Type Z. zenaida (Bonap.). 



The chief characters of this genus are — the bill, which is narrow 

 at the base, the scapulars and innermost upper wing-coverts 

 spotted, the tail rounded, and the number of tail-feathers fourteen. 



