The Francis Walker types of Trichoptera in the British museum - Betten, Cornelius, 1877-; Mosley, Martin Ephriam; British Museum (Natural History) (London, Printed by order of the Trustees of the British museum, 1940)
At head of title: British museum (Natural history)
Includes bibliographies.
Keywords: Caddisflies; Walker, Francis, -- 1809-1874.