Page:AJWall Indian Snake Poisons.djvu/25

10 4.3 P.M. Respirations 16; of a somewhat exaggerated character.

4.5 P.M. Comb has become of a dusky purple colour; slight couvulsive movements of body.

4.9 P.M. Respirations 9.

4.13 P.M. Slight convulsions.

4.15 P.M. Pupils contracted ; answer to light.

4.17 P.M. Convulsions.

4.20 to 4.22 P.M. Convulsions continuing, but gradually becoming less violent.

4.25 P.M. Pupils widely dilated. Dead.

Experiment VI.

A medium-sized frog (Rana tigrina) had a solution of five centigrammes (.77 grain) of dried cobra poison, in one cubic centimetre of distilled water, injected into its dorsal sac.

12.42 P.M. Injection.

1 P.M. No change.

1.23 P.M. Struggling violently to escape.

1.40 P.M. Becoming paralysed.

1.58 P.M. Dead.

Prom these cases it may be gathered that the symptoms of cobra-poisoning are as follow: —

The first manifestation of cobra-poison having been injected beneath the skin is a sensation of pain in the bitten part. It seems to vary much in degree, but is