| Site Name | Yeelanna, Eyre Peninsula |
| Aboriginal Place Name | |
| Language Group | |
| Colony | SA |
| Present State/Territory | SA |
| Police District | |
| Coordinates (imprecise to approx. 250m) | -34.100,135.696,0 |
| Date | 1 May 1849 |
| Attack Time | day |
| Aboriginal People Killed | 8 |
| Aboriginal People Killed Notes | |
| Non-Aboriginal People Killed | 0 |
| Non-Aboriginal People Killed Notes | |
| Attacker Category | shepherd |
| Attacker Details | |
| Motive | |
| Type Of Motive | |
| Weapons Used | arsenic poisoning of flour |
| Notes | |
| Narrative | Shepherd Patrick Dwyer, annoyed at Aboriginal people taking flour from his hut, laced some of his supply with arsenic. The flour disappeared and 8 Aborignal people became sick after eating it. 5 of them died and 3 others became very ill and later died. Dwyer was arrested on suspicion of murder but released afterwards for lack of evidence. He then disappeared to California. |
| Sources | Foster et al 2001: 83 (Sources PDF) |
| Corroboration Rating | ** |
