— 
Or 
SALIVA OF THE GILA MONSTER. ale 
12.054. Bill begins to open and shut. 
12.07. Respiration greatly labored. 
12.08. Convulsions followed by death. 
12.10. Heart still beating; blood dark, lightens slowly. 
EXPERIMENT XXX. Treated the third portion of right sublabial gland as the first and second were 
treated in experiments XXVIII and X XIX, and injected four minims into a small finch at 11.34 A.M. 
11.35. Wheezes; sitting down; eyes closed; tail moving up and down with each breath. 
11.86. Same, but bill opening and shutting. 
11.37. Does not open eyes when handled. 
11.374. Respiration very short and jerky. 
11.38. Respiration ceases, followed by convulsions and death. 
11.41. Heart still beating, empty; blood dark brown, reddening very slowly. 
EXPERIMENT XXXJ.—January 5, 1897. Injected four minims of solution of fourth portion of 
right gland into a small finch, at 11.074 A.M. 
11.084. Unable to stand erect; head drooping. 
11.09. Respiration labored. 
11.094. Respiration greatly labored. 
11.10. Bill opens and shuts. 
11.11. Bird falls on side. 
11.124. Respiration in gasps. 
11.13. Convulsions and death. 
Heart responds to mechanical stimuli; blood black but becoming red on exposure. 
EXPERIMENT XXXII. Injected five minims solution of first portion of left sublabial gland into a 
small finch, at 2.41 P.M. 
2.42. Hyes closed. 
2.45. Respiration labored; bird leaning on side. 
2.46. Almost unconscious; bill opening and shutting. 
2.47. Convulsions. 
2.474. Death. 
Exprer(MenT XXXIII. Injected six minims of water into the breast muscles of a small finch 
without effect. 
Ill. THE PHYSIOLOGICAL ACTION OF HELODERMA POISON. 
When a pigeon has received an injection of Gila Monster saliva it at first shows no 
ill effects, and feeds or fights with its fellows as before. Soon, however, it begins to wink 
very frequently, and ceases to show interest in anything about it. It stands thus for a 
A. P. S.—VOL. XIX. 2B. 
