( 233 ) 



2TS. Nycticorax caledonicus hilli siibsp. n. 



Wcstralian Night Heron. 



Mathews, Handlist No. 210 (pars). 



Differs from N. c. australasiae in its paler coloration. 



Type : North-West Australia (Parry's ('reek), No. 653. 



Range : North-West Australia. 



Genus BUTORIDES. 



Biiltii-idcs Blyth, Cat. Birds Mas. As. Sur. Bcikj. [>. 281. 1852. 



Type (by subs, desig.) : B. jamnka (Horsfieldj. 



279. Butorides javanica stagnatilis. 



Ardellii sliuiimtilU Gould, Pi-of. Zool. Soc. {Lmid.) I8iT. p. 221 (18i8): Port Essington, Northei-n 

 Territory. 



Little Mangrove Bittern. 



Mathews, Handli.U No. 211 (pars). 



Range : Northern Territory, North-West Australia. 



280. Butorides javanica macrorhyncha. 



Ardelta mairorhi/iicha Gould, Proc. Zool. Soc. (Loud.) 1848. p. 39 : New South Wales (Gosford). 



Large-billed Mangrove Bittern. 

 Mathews, Handli.'it No. 211 (pars). 

 Range : New South Wales. 



281. Butorides javanica littleri subsp. n. 



Northern Mangrove Bittern. 



Mathews, Handliat No. 211 (pars). 



Differs from B. j. macrorhyncha in the under-coloration being generally 

 rufous brown, not dark brown, and the edgings of the wing-coverts rufous, not 

 buft"; the line of white down the throat is narrow and fades on the upper 

 breast, whereas in B. j. macrorhijtKha it becomes more extensive on the upper 

 breast. 



Type : North Queensland (Uooktown), No. 1882. 



Range : North Queensland. 



282. Butorides rog'ersi. 



Bidorhhii rotjersi Mathews, Bull. Brit. Orn. CInl,. vol. xxvii. p. 101. 1911 ; North-West Australia. 



Red Mangrove Bittern. 



Range : North-West Australia. 



Genus IXOBBYCHUS. 



l.riibri/rliiix Billberg, " Si/n. Faunae Hrand. vol. i. p. MWi. 1828." 



Type (' V subs, desig.) : /. miniUas (Linne). 



