PILHERODirS. — BUT0R1DE5. 175 



Total length 585 mm., culmen 80, wiug 280, tail 98, tarsus 98, 

 middle toe and cla^v 69. 



The description is taken from an example procured on the 

 Abarj River in Se[)tember 1907. 



Adult female. Similar to the adult male but apparently rather 

 smaller. Wing 264 mm. 



Breeding-season. Unknown in British Guiana. 



Xest. "It builds its nest in low trees" (ScJiomburgk^. 



Eggs. "It lavs two eggs" (^Sclwmhurgk) . 



Range in British Guiana. Abary River, Great Savannas 

 (JMcConnell collection) ; Rupununi River, Ourunei {WJiitel^). 



Extralimital Range. Brazil and Eastern Peru. 



Habits. Scliomburgk states (Reis. Gaian. iii. p. 754) that this 

 species is found singly or in pairs, but rarely in flocks, in the 

 neighbourhood of large rivers, where they perch on the bushes. 

 Its habits are the same as those ot the C^ommon Heron of Europe 

 (^Ardea cinerea). It builds its nest in low trees and lavs two eggs. 

 The '' AVarraus " call it Wonu, the '* Macusis " Unoruima, and 

 the " Arekimas " OnareJi. ■ 



Genus BUTORIDES Blyth. 



Butorides Blvtli, Cat. Bii-ds Asiatic Soc. p. 281, 1849. Tvpe B.javanica 

 (Horsf.): 



The members of this genus have a crest of louo- and lanceolate 

 feathers : dorsal plumes similar but more rounded at the ends ; 

 feathers on the fore-neck broader. The bill exceeds the tarsus in 

 length. 



110. Butorides striata. 

 Black-crowned Heron. 



Butorides striata (Lmn.), Sy.st. Xat. i. p. 238, 1766 (Sui'inam) ; 

 Sharpe, Cat. B. Brit. Mus. xxvi. pp. 175, 279, 1898 (Bartica 

 Grove) ; Beebe, Our Search for a Wilderness, p. 120, 1910 (George- 

 town), p. 355 (Abarv River); Bra bourne *t Chubb, B. S. Amer. i. 

 p. 51, no. 476, 1912. ' 



Ardea scapitluris Cab. in Schomb. Ileis. Guian. iii. p. 753, 1848. 



Ardea cyanurus Salvin, Ibis, 1886, p. 170 (Bartica Grove). 



" Chow," " Shy pock " (Quelch) ; " Chough " {Lloijd Frice). 

 Ad'dt male. Heatl and nape uniform glossy bottle-green, similar 



