1G8 BIRDS OF BRITISH GUIANA. 



The male and female from which the descriptions are taken were 

 collected on the Ituribisi River in 1909. 



Young. DifEers from the adult in having the wings and tail 

 paler slate-colour and the middle of the back more dusky, the 

 upper wing-coverts edged with deep chestnut, and the sides of 

 the face and the entire neck rich chestnut. We do not know the 

 exact locality of this specimen. 



Breeding-season. Unknown in British Guiana. 



Kest. Unrecorded in British Guiana. 



Eggs. Undescribed from British Guiana. 



Bange in British Guiana. Ituribisi River, Abary River 

 {McConnell collection) ; Waini River (Beehe). 



Extralimital Hange. Northern Brazil, Venezuela. 



Habits. Schomburgh remarks (Reis. Guian. iii. p. 753) that this 

 species has the same mode of life and haunts as Ardea acridescens 

 = Florida cwrulea, p. 166. 



Genus DORIPONUS Hein. & Reicben. 



JDoriponns Heine & Rcichenow, Nomenel. Mus. Hein. Orn. p. 308, 

 1890. Type D. a^ami (Gmel.). 



Bill long, narrow, and compressed ; occipital crest much 

 elongated, broadly lanceolate, and acute at the tip ; ornamental 

 plumes on the lower back loosely webbed and overspreading the 

 rump ; plumes on the sides of the neck sickle-shaped, recurved, 

 narrow, and acute ; jugular feathers rather wide. Malar region 

 naked. Tarsus nearly twice the length of the middle toe. 



105. Doriponus agami. 



Agami Heron. 



(Plate V.) 



Ardea agami Gmel. Syst. Xat. i. p. 629, 1789 (" Habitat in 

 Cayenna ") ; Cab. in Schomb. Reis. Guian. iii. p. 753, 1818 ; Salvin, 

 Ibis, 1886, p. 170 (Camacxisa). 



Agamia agami Sharpe, Cat. B. Brit. Mus. xxvi. pp. 135, 271, 1898 

 (Carimang River, Camacusa) ; Beebe, Our Search for a Wilderness, 

 p. 219, 1910 (Barramannii) ; Brabourne k Chubb, B. S. Amer. i. 

 p. 50, no. 468, 1912. 



Doriponus ac/ami Hein. & Eeiohen. Xomencl. Mus. Hein. Orn. p. 308, 

 1890 (British Guiana). 



Adult male. Back, wings, and tail rich bottle-green ; fore-neck. 



