No. XV.-Diptera: Heteroneuridae, Ortalidae, Trypetidae, Sepsidae, Micropezidae, Drosophilidae, Geomyzidae, Milichidae
Published in Transactions of the Linnean Society of London. 2nd Series: Zoology, in 1914, in volume 16, issue 4, pages 307-372
Date published:1914