174 



VENOMS 



VIPERID^. 



Venom of Vipera hcrus 



, Viioera ritssellii (Daboia) 



„ Lachesis lanccolatus 



,, Lachesis mutus {Surucucii} 



„ Lachesis neuiuiedii (Urutii) 



„ Lachesis flavoviridis 



,, Ancistrodon contortrix ... 



004 gramme 



0-001 



0-02 



0-02 



02 



0-007 



0-015 



Cohra-Menom. Dose lethal in twenty-four hours for different 

 animals : — 



Venom of Bungarus cceruleus (Common Krait), according to 



Elliot, Sillar, and Carmichael.^ Minimal lethal doses for : — 



Frog ... ... ... 0-0005 gramme 



Rat 0-001 



Rabbit (by subcutaneous 



injection) ... ... O'OOOOS ,, per kilogramme 



Rabbit (by intravenous in- 

 jection, according to G. 



Lamb) 0-00004 „ 



Venom of Enhijdr'uia valakadien (according to Elliot and 

 Eraser).- Minimal lethal doses per kilogramme: — 



Rat 



Rabbit 



Cat 



0-00009 grannue 

 0-00006 „ 

 0-0002 



Venom of EiiJiijdris curt us : — 



Rat 



0-0005 to 0-0006 grauame per kilogramme 



' Fruc. Hoy. Sue, London, \xxi\ ., 1904, pp. 108-109. 

 - Ibid., pp. 1U4-1UK. 



