114 



ARDEA LANSBERGEI. 



by a different system of coloration of the plumage, which 

 in some measure reminds us of that of the rare species 

 of true , buth rather small sized heron from Australia , 

 Ambon and Celebes, called Ardea picata. 



The specimens, five in number, obtained by Mr. Teys- 

 mann bear a most perfect resemblance to one another. Not 

 one shows a trace of lengthened linear feathers , neither at the 

 neck , nor at the chest or rump. The plumage presents properly 

 but two colors, viz. white and blackish slate-color. The 

 white , however strongly inclines to ashy grey on the front , 

 the crown , the sides of the head and the basal part of the 

 feathers of the throat. The dark color occupies the mantle , 

 the whole back, the tail with its upper and under 

 coverts , the feathers of the thighs , the sides of the body , 

 and the whole underside of the wings , which , however , 

 are lined with white on their external margin. 



The feathers of the neck and chest are somewhat 

 lengthened , but of no unusual form. The bill , somewhat 

 slender and very slightly curved towards the tip, is of a 

 yellowish color and the naked parts of feet in their entire 

 extension appear to have been of this same color. 



The inner margin of the nail of the middle toe is serrated , 

 like in other herons. 



The measures of the principal parts of these species are 

 as follow — 



Wing seven inches and a half to seven and three quarters 

 of an inch (French measure). Bill from front twenty six 

 to thirty lines ; height of bill five lines ; but soon diminish- 

 ing to four lines. Tarse thirty two to thirty five lines. 

 Middle toe without nail twenty-three lines ; nail of this toe 

 four lines. Hind toe eleven lines ; its nail five lines. 

 Naked part of tibia eighteen lines. 



Notes from tlie Ijeyden IMuseum. 



