212 SOME EXPERIMENTS WITH THE 
12.24. Very ‘‘tame;’’ hardly able to walk. 
12.27. Can stagger with help of wings. 
12.34. Respiration terribly labored, loud, wheezing pants, about 28 per minute. 
12.39. Head drawn far back; still panting. 
12.40. Still panting, but more slowly and weakly, 24 per minute. 
12.41. Struggles, lies on side with head on floor. 
12.42. Respiration practically stops. 
12.421. Dead. ; 
EXPERIMENT XX.—December 1, 1896. Injected solution of saliva of upper jaw from two bites, at 
12.30 P.M. 
1.30. Pigeon has shown no signs of poisoning. 
3.30. Still no effect. 
4,30. Still no effect. 
5.00. Still no effect. 
December 2. Well. 
EXPERIMENT XXI. Injected solution of saliva of lower jaw from same two bites (experiment XX) 
at 2.25 P.M., December 1, 1896. 
3.25. Totters; lies down when set on feet. 
4.00. Totters, leaning forward. 
4.10. Can still totter. 
4.20. Cannot rise or stagger. 
4,30. Muscles all tense; bill opens and shuts. 
4.30%. Respiration ceases. 
4.31. Death. 
EXPERIMENT X XIJ.—December 2, 1896. All of the solution of saliva of the upper jaw from three 
bites was injected under the skin of the wing of a brown pigeon at 3.05 P.M. without any effect. 
EXPERIMENT X XIII[.—December 2, 1896. T'wo-fifths of the solution of lower-jaw saliva from the 
same three bites as last experiment were injected under the skin of wing of a pigeon at 3.15 P.M. 
3.25. No effect yet. 
3.28. Staggers slightly; sits immediately; respiration slightly forced. 
3.32. Respiration very rapid—forced. 
3.36. Respiration very slow but labored. 
3.40. ‘‘ Skates ** on breast when trying to walk. 
3.43. Convulsive quivering of wings. 
3.44-45. Convulsive quivering of wings. 
3.45. Lies stretched out on floor; convulsive respiration; wheezing with each breath. 
3.48. No respiration. 
3.484. Death. 
