Thallium is a chemical element with the symbol Tl and atomic number 81. Thallium and its compounds are extremely toxic, and should be handled with care. Thallium compounds have a high aqueous solubility and are readily absorbed through the skin.
Characters poisoned with thallium[]
- Corrigan? - The Pale Horse (Another Corrigan, not Ginger nor Jim)
- "Ginger" Corrigan - The Pale Horse (survived)
- Jessie Davis - The Pale Horse
- Mary Delafontaine - The Pale Horse
- Harmondsworth - The Pale Horse
- Lady Minnie Hesketh-Dubois - The Pale Horse
- Ormerod - The Pale Horse
- Parkinson - The Pale Horse
- Sandford - The Pale Horse
- Shaw - The Pale Horse
- Thomasina Tuckerton - The Pale Horse