342 CLASS AVES. 



Blue Heron. Ccerulescens, Lath. Ard. Ccerulea, 

 Lath, (not Var.), Wilson, A. O. t. 62, f. 3. PI. 

 Enl. t. 349. Catesb. Car. t. 76, young. Ard. Cy- 

 anopus, Lath. 



Crested, bluish-slate ; feathers of the back and breast, 

 slender, long ; head and neck, purplish-brown ; three 

 occipital feathers ; young not crested ; head and neck 

 coloured like the body. North America. 



Yellow -7iecked Heron. Ard. Flavicollis, Lath. Ard. 

 Nigra, Vieil. 



Back, wings, and tail, bluish-black ; streak on side of 

 neck, yellow ; head, occipital crest, black ; throat, 

 white, with red triangular spots ; chest, black and 

 white, varied. Java, New Holland. 



White-frontedj Heron. Ardea Novkb Hollandice, 

 Lath., not Vieil. Ard. Leucops, Wagler, Phil. 

 ' Bot. Bay, t. at p. 163. 



Forehead, orbits, chin, and throat, white slate-co- 

 loured ; quills and tail, black ; chest and belly, red- 

 dish. New Holland. 



Ardea Ardisiaca, Wagler. 



Head, neck, tail, and body, slate coloured ; bill and 

 feet, black. Mus. Paris. 



Beautiful Heron. Ardea Speciosa, Horsf. Java, t. 



Like Ard. Ralldides ; yellow occiput, with four long 

 feathers ; neck, yellowish ; throat, dusky ; above, 

 slate-black; tail, wings, and body beneath, white, 

 when young. Java. 



