162 OPHIDIANS. 
in 3 hours, although it had eaten some of the leaves of the 
Aristolochia Indica. The blood of No 1 showed no changes 
under the microscope; but that of No. 2 contained several 
large granular bodies in distinct cells. 
No. 3. A full-grown -Ptyas mucosus (Rat snake), five feet in 
length, was bitten by a Cobra; no apparent result ensued. 
No. 4. A full-grown Cobra was made to bite another 
Cobra; no apparent result. 
No. 5. A full-grown Pariah dog was bitten by a Cobra; 
dead in 30 minutes. 
No. 6. A pup, 3 months old, had a small quantity of Cobra 
poison injected into the thigh at 9.07 A.m.; sleep and drowsi- 
ness supervened, but at 2 p.m. he appeared quite well again. 
No. 7. A fowl-had a portion of the poison used in No. 6 
injected into its body ; dead in 1 hour. 
No. 8. A pigeon had some of the same poison injected into 
the thigh ; dead in 23 minutes. No alteration in the blood 
could be detected under the microscope. 
No. 9. The pup of Experiment No. 6 had a larger quantity 
of the same poison injected into the other thigh at 9.02 a.m. ™ 
At 11 a.m. drowsy ; 12.30 vomits a dark-colored fluid ; at 
12.55 P.M. falls on his side and gasps for breath. Gave him 
10 minims sulphuric ether ; at 1.33 another dose of ether; at 
1.45 pulse 175; 2 p.m. dose of ether; 2.36 pulse 26. Con- 
vulsions at 3 P.M. or in 6 hours, dead. 
No change could be detected in the blood under the micro- 
scope with a 35 and ,1, inch object-glass. 
Action of Cobra Poison on Cold-blooded Animals. 
Experiment No. 10. A full-grown (8 feet long) Ptyas mu- 
cosus (Dhamin), bitten in 3 places by a Cobra, two-thirds 
grown. No change could be detected at the end of three 
