Insecta Britannica Diptera is a seminal work of entomology by Francis Walker. The most important part of the work was written jointly with Alexander Henry Haliday. It is the synonyma and the synoptic table Talk:Insecta Britannica Diptera.The manuscripts relating to Haliday's contribution are in the Oxford University Museum of Natural History.
Read more about Insecta Britannica Diptera: The Dating of Insecta Britannica Diptera