695 
ORDER GAVIA. 
Fam. LARIDZ. 
669. Srercorarius pomatoruinus (Temm.). Pomatorhine Skua. 
Two specimens of this Skua were killed hy Mr. Andersson in 
Walwich Bay. 
The following description is taken from Dresser’s “ Birds of 
Europe.” 
Adult male——Crown, nape and sides of the head from behind the 
eye to the base of the bill and below the sides of the lower mandible, 
deep blackish brown; chin, white; rest of the neck all round, white, 
tinged with light golden yellow, the feathers rather elongated and 
acuminate ; entire upper parts (except the hind neck), wings and 
tail deep brown, the fore part of the back slightly marked with 
white ; primaries with white shafts, and white on the basal portion 
of the feathers ; central rectrices elongated, but not pointed; under 
parts white, the breast crossed by a band of dark brown markings, 
and the flanks marked and barred with dark brown; lower abdomen, 
crissum and under tail-coverts dark brown, slightly marked with white; 
under wing-coverts and axillaries dark brown; bill dark horn, bluish 
at the base ; iris brown; legs blackish. Total length, about 20 in. ; 
culmen, 1:8; wing, 13°8; tail, 8°75; tarsus, 2°0; central rectrices 
extending 2°7in. beyond the lateral ones. 
Young.—Head, neck, flanks, and back dark brown, barred and 
mottled with dirty white; crown and sides of the head less marked 
with white ; abdomen white; crissum and under tail-coverts white, 
slightly barred with dark brown; wings and tail as in the adult, 
but the central rectrices extend only a little beyond the lateral 
ones. 
Fig. Dresser, B. Eur. vii, pl. 610. 
670. Srexcorartus crepripatus (Banks.). Richardson’s Skua. 
Stercorarius spinicauda, Layard, B. 8. Afr. p. 366. 
Common in Table Bay in the summer months, in the three phases 
of plumage marked A, B,C. They chase the lesser Gulls and Terns, 
