U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL. 56 PL. 56 



Fig. I. Nesting Place of Dominican Gull, Larus dominicanus Lichtenstein, 



LOBOS DE TlERRA ISLAND, JANUARY, 1908. NEST OF SULA NEBOUXI NEAR 



Foreground 



For description see p*ge 459 



Fig. 2. Young Piqueros, Sula variegata (Tschuci), Lobos de Afuera Island. 



March 25, 1907 



