The reduction of domestic flies / by Edward Halford Ross.
- Ross, Edward Halford.
- Date:
- 1913
Licence: In copyright
Credit: The reduction of domestic flies / by Edward Halford Ross. Source: Wellcome Collection.
68/148 (page 46)
Licence: In copyright
Credit: The reduction of domestic flies / by Edward Halford Ross. Source: Wellcome Collection.