AVIFAUNA OF LAYS AN, ETC. 



151 



THE GENUS VESTIARIA. 



The genus Vestiaria was first founded in John Fleming's ' Philosophy of Zoology,' ii. (1822) 

 ]). 216, with Latham's Certhia vestiaria as the type. 



Bill with a rounded ridge, nearly scmicircularly bent ; mandible fitting into the premaxilla. 

 The tip of the latter projects about 2 or 3 millimetres over the mandible. Cutting-edges 

 perfectly smooth, without any serration. Nostrils near the base, bare, covered by a 

 somewhat swollen operculum. 



Tail when opened square, when closed slightly forked ; all the rectrices obliquely pointed. 

 First primary rudimentary, concealed by its coverts, not visible from below; third, 

 fourth, and fifth about equal and longest. Plumage of the body full and soft ; feathers 

 of the throat narrowed and slightly stiffened. 



Sexes alike in coloration; young rather different from adult. 



Tongue, pterylosis, and alimentary canal described at length by Gadow in part ii. of the 

 ' Aves Hawaiienses.' 



Only one species known. 



