238 VENOMOUS SNAKES AND THE PHENOMENA OF THEIR VENOMS 
TABLE 21.— Daboia antivenin. 
Antivenin of Protection Antihemolytic power Anti-clotting power 
Species. in vivo. in vitro. in vitro. 
Daboia russellii ...... ) 
so m.1.d.+1.75 c.c. J 
Highly antihemolytic.......... Highly anticlotting. 
0.00025 gm.+0.04 C.c.=none 0.02 gm.+0.025 
c.c. = liquid. 
Naja tripudians ..... 
7m.1.d.+15 c.c. 
Naja bungarus....... 
6m.1.d.+15 c.c. 
Bungarus ceruleus 
Died in 23 hrs. . No action 
5m.1.d.+8c.c. ¥ 
0.00025 gm. +2 c.c. = complete 
Baers No action 
Died iis Drs 0.00025 gm. + 2 c.c. = complete 
Sas \ No action 
Died in 14 hrs.. | 0.00025 gm. +2 c.c. =complete 
btabs { No action 
Died in 11 hrs.. | _ 0.0005 gm. +2 c.c. =complete 
SP sae Se § No action 
Died in 14 hrs. . | 0.o0r gm. +2 c.c. = complete 
Bungarus fasciatus .. . 
3m.1.d.+15 c.c. 
Enhydrina valakadien 
tom. 1.d.+15 c.c. 
Notechis scutatus ...... INotined! fase. INO VacHOn Se rei settee rere No action. 
0.00025 gm. + 2 c.c. =complete 0.0005 gm.+1.5 
c.c. = clot. 
Echis carinata....... ] sala : Highly antihemolytic .......... No action. 
2m.l.d.+5 c.c. s Died in amin. . 0.0005 gm. +0.04 c.c. =none 0.0005 gm. +1.5 
c.c. = clot. 
Lachesis gramineus. .. Se NGachOn-e sere. vata sen No action. 
2mg.+5 c.c. Died in 43 days 0.00025 gm. + 2 c.c. =complete 0.003 ae 
c.c. = clot. 
Crotalus adamanteus.. | Survived Markedly antihemolytic ....... No action. 
Sima GeceAnecGa) FOUN en oateoem ne 0.00025 gm. +0.2 c.c. =none 0.0005 gm. +1.5 
8m.1d.+3cc.......| Diedin 14hrs. . c.c. = clot. 


TABLE 22.— Notechis scutatus antivenin.2 
Antivenin of Protection Antihemolytic power Anticlotting power 
Species. in vitro. in vitro. 
Highly anticlottin 
Notechis scutatus Ratherfeeble?s ca cceosscseecee J Eee gm. clee 
l c.c.= liquid. 
Dee Died in 1} hrs. . 
aE Died in 33 hrs. . 
Bungarus ceruleus ... Died j : 
Sameer. ied in 47 min. 
Meee ‘++ ¢ | Died in ro min. 
eee tice. || Diedeneommm: 
Daboia russellii 
3 thrombos. d.+5 cc. || Died in 14 min. 
Sub-thrombos. d. + Died in 18 hrs. . 
4C.c. 
oe ee E Diedin2min. .| Quite marked No action. 
oan ** ¢| Diedin6min. .| No action No action. 
Crotalus adamanteus . Diedin 6hrs. ..| No action No action. 
0.5 mg.+4C.c. 

According to Tidswell® the antivenin which he prepared with pure venom 
of Notechis scutatus was able to neutralize this particular venom (0.4 C.c. 

1Lamb. 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. 
2Lamb. Specificity of antivenomous sera. Sci. Mem. Off. Med. Sanit. Dept. Gov. Ind., 1903, n.s. 
No. 5. bid. 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. 
