Title: A contribution to the knowledge of the bot-flies Gastrophilus intestinalis, Deg., G. Haemorrhoidalis, L. and G. Nasalis, L. /
Authors: Hawden, Isaac Seymour, 1877-; Cameron, A. E.,; Cameron, A. E.,
Publisher: Printed for His Majesty's Stationery Office by Barclay & Fry,
Year: 1918
Subjects: Gasterophilus.; Botflies.