i ^s. Roy. Sot: Edin. 



Vol. XLVII. 



• Thomas R. Fraser and Mr Alister T. Mackenzie on StropJianthus garment osus : its Pharmacological Action 



and its Use as an Arrow-poison. — 1'late Xa. 



Figs. 1 and 2. — Before Strophantus. 



""^ **«*w*^^ 



r " V,WW ^^ 



/2-/S- XQ 



Fig. 3. — After Strophanthus. 



Fig. 6. FlG 7. 



Experiment LXIX.— Blood-pressure Tracings. Extract of Strophantus only. Reads left to right. 



