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| REPORT OF THE ORNITHOLOGIST AND MAMMALOGIST. 425 
kernels. Bird No.3 ate the poisoned hemp seed and non-poisoned wheat until 3.10 
p-m., seemingly without bad results. It was dead next morning. Three kernels 
of hemp seed were all that could be discovered in the stomach and crop, which 
contained also 10 to 12 kernels of non-poisoned wheat. 
No.4, (2 birds.) Fed on wheat soaked forty-five hours in a solution of strychnine 
(.825 of a gram to 30. c.c.of cold water) and dried. Commenced eating at 10.20; 
both dead at 11.05. Each had eaten 3 kernels of wheat. 
No. 5. (1 bird.) Fed same as above. Commenced eating at 12,30; died at 1.14 
.ma. Stomach contained wheat partially digested; nothing in crop. 
No.6. (1 bird.) Fed on oats soaked twenty hours in a solution of strychnine 
(.65 of a gram to 30c.c. of cold water) and not dried. Bird commenced eating 
about 11 o’clock, but seemed not to relish the food. At 11.20 the bird was unsteady 
in its movements, but a¢ 3.45 it was in good condition. Next morning had wholly 
recovered ; probably did not eat enough of the poisoned grain. 
No.7. (2 birds.) Fed on non-poisoned hemp seed and wheat, and given water to 
drink containing .325 of a gram of sulp. strychnine to 30c.c. of water. Four 
hours afterward they were visited, and both were found dead and cold. 
No.8. (5 birds.) Fed on wheat soaked for forty-eight hours ina solution of strych- 
nine (.16 of a gram to 30 c.c. of water). Commenced eating at 11.45a.m. At 1.45 
p.m. two were dead. At 2 p.m. the third was dead. At 3p. m. the fourth was 
dead. The last was found dead the next morning. 
No.9. (2 birds.) Fed on wheat soaked for forty-eight hours in solution of strych- 
nine (.065 of a gram to 30 c.c. of water). Commenced eatingat10a.m. First bird 
died at 10.45. Its stomach and crop contained 10 kernels of wheat. At 11.10 the 
second bird died. its crop contained 4 kernels; stomach empty. 
No. 10. (5 birds.) Fed on wheat soaked forty-eight hours in solution of strychnine 
(.08 of a gram to30c.c.of water). Commenced eating atip.m. At2p.m. the first 
bird was dead, and another badly affected, but recovered. Two were dead next 
morning. The fifth bird was not affected; probably did not eat enough. This solu- 
tion would seem to be too weak to give certain resulis. 
EXPERIMENTS WITH TINCTURE OF NUX VOMICA. 
No. 1i. (8 birds.) Fed on wheat soaked twenty-four hours in tincture of nux 
vomica and dried. At 10.30 a.m.one bird eating; at 10.55 affected; at 1.15 p.m. 
symptoms passinz off; recovered. At 1.15 p.m, second bird dead; stomach con- 
tained 8 kernels of wheat; cropempty. Another bird commencing to eat at 11a, m.; 
died at 1.10 p. m.; stomach contained 4 kernels of wheat; crop none. 
EXPERIMENTS WITH CORROSIVE CHLORIDE OF MERCURY (CORROSIVE SUBLIMATE). 
No. 12. (2 birds.) Fed on wheat soaked twenty-four hours in a saturated solution 
(in water) of corrosive sublimate and dried. Birds commenced to eat at 10.30 a, m. 
First bird died at 1.15 p. m.; stomach and cropempty. Second bird died at 3 p. m.; 
2 kernels of wheat in stomach; crop empty. 
EXPERIMENTS WITH WHITE ARSENIC. 
No. 13. (1 bird.) Fed on Indian meal and white arsenic (15 to 1) mixed with a 
little water. Commenced to eat immediately (9.45 a.m.). At 3.45 bird still in good 
spirits. Dead next morning. Stomach and crop empty. 
No. 14. (1 bird.) Fed same as No. 13. Commenced to eat at 9.30 a.m.; badly 
affected at 2 p.m.; dead at 2.54 p.m. Stomach and crop empty. 
No. 15. (8 birds.) Fedsame as Nos.13and14. Commenced to eat at8.45a.m. At 
3 p.m. two affected and one seemed in good spirits. All were dead next morning. 
Stomachs and crops empty. 
No. 16. (2 birds.) Fed cn Indian meal and white arsenic (15 to 2), moistened. 
Commenced to eat at 10.50a.m. First bird died at3 p.m. Stomach and crop 
empty. Second bird affected at 3.20; dead next morning. 
EXPERIMENTS WITH ARSENIATE OF SODA. 
No.17. (1 bird.) Fed on hemp seed soaked one and a half hours in a solution of 
arseniate of soda (1.56 grams to 30 c.c. water) and dried. The bird ate freely, but 
recovered. 
No. 18. (1 bird.) Fed on hemp seed soaked one and a half hours in a solution of 
arseniate of soda (2.10 grams to 80 c.c. water)and dried. Dead (time not taken). 
Stomach and crop contained 12 hemp seed. 
