Diptera of Patagonia and south Chile
Subtitle: based mainly on material in the British Museum, Natural History
By: by C. P. Alexander ... [et al.] ; preface by E. E. Austen. pt.  6. Fascicle 6, Acalyptrata key to the families of acalyptrata / by J. R. Malloch.
Contributors: Alexander, Charles P. 1889-1981.; Malloch, J. R.; British Museum (Natural History).
Publisher: Printed by Order of the Trustees
Published: 1948
Place of publication: London
Language: eng