238 VENOMOUS SNAKES AND THE PHENOMENA OF THEQt VENOMS 



Table 21. — Daboia antivenin. 1 



Antivenin of 

 Species. 



Protection 



in vivo. 



Antihiemolytic power 

 in vitro. 



Anti-clotting power 



in vitro. 



Daboia russellii / 



50 m.l.d. + i.7s c.c. J 



Naja tripudians ) 



7 m. 1. d. + 15 c.c. J 

 Naja bungarus j 



6m.l. d. + t5 c.c. j 

 Bungarus caeruleus . . / 



5m.l.d.+8c.c. j 



Bungarus fasciatus . . . j 



3111.I. d. + 15 c.c. j 

 Enhydrina valakadien j 



10 m. 1. d. + 15 c.c. j 

 Notechis scutatus 



Survived . 



Died in s\ hrs. 



Died in 3 hrs. . 



Died in i£ hrs. 



Died in n hrs. 



Died in 1 § hrs. 

 Not tried 



Echis carinata 



2 m. 1. d. +5 c.c. 



Lachesis gramineus. . 

 2mg.+s c.c. 



Crotalus adamanteus . 

 8 m. 1. d. +4 c.c. 

 8 m. l.d. +3 c.c. . . . 



Died in 2 min. . 

 Died in 44 days 



Survived 



Died in i\ hrs. 



( Highly antihsanoly tic 



j 0.00025 gm. +0.04 c.c. =none 



( No action 



j 0.00025 gm. + 2 c.c. = complete 



( No action 



( 0.00025'gm. + 2 c.c. = complete 



j No action 



( 0.00025 8™- + 2 c.c. = complete 



( No action 



j 0.0005 gm. + 2 c.c. = complete 



( No action 



) 0.001 gm. + 2 c.c. — complete 



( No action 



( 0.00025 g" 1 - + 2 c.c. = complete 



j Highly antihsemolytic 



j 0.0005 EDi- + 0.04 c.c. =» none 



( No action 



j o.ooossgm. + 2 c.c. = complete 



j Markedly antihsemolytic 



j 0.00025 gm. +0.2 c.c. —none 



Highly anticlotting. 



0.02 gm. +0.025 



cc. —liquid. 



No action. 

 0.0005 gm. + 1.5 

 cc — clot. 

 No action. 

 0.0005 gm. + 1.5 

 c.c. = clot. 

 No action. 

 0.003 gm. + 1.5 

 cc— dot 

 No action. 

 0.0005 gm. + 1.5 

 c.c. = clot. 



Table 22. — Notechis scutatus antivenin.' 



According to Tidswell 3 the antivenin which he prepared with pure venom 

 of Notechis scutatus was able to neutralize this particular venom (0.4 cc. 



• Lamb. The specificity of antivenomous sera, with special reference to a serum prepared with the 

 venom of Daboia russellii. Sci. Mem. Off. Med. Sanit. Depts. Govern. Ind., 1905, n. s., No. 16. 



2 Lamb. Specificity of antivenomous sera. Sci. Mem. Off. Med. Sanit. Dept. Gov. Ind., 1903, n. s. 



No. 5. Ibid. Second communication. Op. cit., 1904, n.s., No. 10. 



3 Tidswell. Preliminary note on the serum-therapy of snake-bite. Australian Medical Gazette, 



1902, XXI, 177. 



