390 Unexplored Spain 
under autumnal conditions before quitting Australia in April— 
that is, the Australian autumn—and while yet some 10,000 miles 
distant from the points at which that breeding-dress is designed 
to be worn. 
To the four named might properly be added other two species 
—the sanderling and the little stint. Our only reason for con- 
fining our remarks to the original quartette is that, in Spain, the 
transit of the other two is less pronounced and noticeable. 
Last spring (1910), dry as the marismas were, we had these 
globe-spanners in thousands. They were extremely wild, and 
GREY PLOVERS 
In summer plumage, on route for Siberia—Marisma, May 12. 
it was only by elaborate ‘“‘ drives” that we secured a few speci- 
meus.’ We also observed in mid-May hundreds of black-tailed 
godwits, a species which usually disappears from southern Spain 
at end of March and which we have found nesting in Jutland 
before the above date, viz. the first week in May. 
Whimbrels had been extremely abundant early in May, 
together with a few greenshanks, ring-dotterel, and green sand- 
piper. On May 13 we observed several of the Mediterranean 
black-headed gull (Larus melanocephalus) on Santolalla. 
1 In none were the generative organs more than slightly developed, and in most the 
plumage was full of new blood-feathers, showing that the summer change was not yet 
complete. The date, May 10-15. Another drawing is given at p. 42. 
