Remarks on the Grey-capped Gulls and on the Species with which they. have been confounded
Saunders, Howard, 1835-1907
Article
1874
Proceedings of the Zoological Society of London
291--295
BioStor
English
London Academic Press, [etc.] 1833-1965
BioStor: https://biostor.org/reference/108885 DOI: https://doi.org/10.1111/j.1096-3642.1874.tb02484.x