THALASSOGERON CHLORORHYNCHUS. 



inclining to black in some individuals, in front of the eye ; tail hoary-grey, 

 shafts white, outer rectrix white next shaft, but becoming darker at its outer end ; 

 bill black, culmen yellow, blood-orange at its tip ; a vertical yellow line at the base of 

 the lower mandible, the tip also yellow ; legs and toes flesh colour. Total length, 

 about 30 inches ; wing, 18.8 ; culmen, 4.65 ; tail, 6.6 ; tarsus, 3.15 ; middle toe 

 and claw, 4.35. 



The description and figure are taken from a bird obtained in the Australian 

 Seas, formerly in our collection. 



359 



