Notes on Heteromera, and descriptions of new genera and species. No. 5Published in Entomologist's Monthly Magazine, in 1873, in volume 9, pages 201-204Additions and correction to the list of British SyrphidaePublished in Ent. Mon. Mag, in 1873, in volume 9, pages 251-256
Additions and correction to the list of British SyrphidaePublished in Ent. Mon. Mag, in 1873, in volume 9, pages 251-256