748 COLLARED PETREL. 



on the 14th P'ebruary, but he did not obtain any eggs. The native 

 name, he adds, is ' Katebu ' " (Salvin, loc. cit.). 



The adult has the crown slate-grey ; upper surface rather darker 

 grey, with a brown tint on the scapulars, wing-coverts and quills ; 

 upper tail-coverts grey ; tail-feathers blackish, greyer externally ; 

 forehead and throat white, with grey motthngs on the cheeks and a 

 dark patch behind the eye ; breast and under-parts white, with a grey 

 pectoral band, or else, as in the Aberystwith specimen, generally 

 suffused with grey below the throat ; under wing-coverts and 

 axillaries white ; bill black ; tarsi and proximal half of the toes 

 (except the outer one) yellowish, the rest black. Length about 11 "5, 

 wing 87 in. 



