404 LARIDA 
Adult female nuptial—Very similar to the male plum- 
age, but the back, scapulars, and throat, are browner. 
Adult winter, male and female.—Resembles the respec- 
tive adult nuptial plumages. 
Immature, male and female-—Top of head, greyish- 
brown ; back, scapulars, wings, neck, breast, and abdomen, 
dark brown. 
Beak. Black. 
Freer. Reddish - brown; webs, yellowish and fully 
developed. 
Iripres. Dark brown. 
Kee.  Reddish-white or yellowish-white in colour, with 
a few blotches or spots of reddish-brown. The surface of 
the shell is dull and of a rough texture: only one egg is 
incubated at a time. 
AVERAGE MEASUREMENTS. 
TOTAL LENGTH ae oe ous, wisn alae 
WING ... tix a on nee Ogee 
SHAK waxes ae Bee ay af tee 
TARSO-METATARSUS ... Bae Sr oe 
aye ne bee nee Bae Ose dene 
