ORDER GRALL-ffi. 337 



The Cocoi of Marcgrave ; A. Palliata, 111. ; A. 

 CcBrulescens, Vieill. from Azara, 347. 



Louisiane Heron. A. Ltidoviciana, Gm. Enl. 909, 

 from which A. Virescens, Enl. 908 and 912; is 

 not specifically different. 



Crested, bluish-slate ; back, rump, and beneath, white ; 

 neck-feathers purplish, with long streamers. 



New Guinea Heron. A. Nowb Guince, Lath. Enl. 



926, approximates in some degree to the A. Sco~ 



lopacea by the bill. 

 Bill, black ; feet, brown ; head, not crested.* 



The smaller herons with shorter feet have been 

 called Crabeafers. 



The most common species in the mountainous 

 parts of France is 



A, Minuta and DanubialiSt Gm. Enl. S^3t Frisch. 

 207, Naum. 1, Ed. 28, £ 37. 



Fawn-coloured, with the cap, back, and wings, black. 

 It is somewhat larger than a rail, and sojourns in the 

 neighbourhood of standing waters. 



The Onores unite to the shape of the crabeaters, 

 the size of the true heron, and the colours of the 

 bittern. They form the genus Tigrosoma of Swain- 

 son. 



• To these may be added A. Melanocephalus, Children. The A. Atri- 

 coKii of Wagler. A Paci/ica, Lath. The A. Bullara7ijaus o( Wag\er, 



VOL. VIII. Z 



