Authorities. Sideny Ringer, M.D., Journ. of Phys., vol. i, 1878-9, p. 437; ( 1 to 6 , experiments with the alkaloid from flowering bulbs); 1 , a small quantity of a solution of the sulphate of the alkaloid (strength, 1 in 5 of water) was dropped into the eye; 2 , a woman, aet. eighteen years, received 3/5 grain sulphate by hypodermic injection in the arm; 2 a , same experiment repeated after two days; 3 , effects of topical application to the eye; 4 , injected hypodermically 3/5 grain into a woman, aet. nineteen years; 5 , another case; 6 , injected hypodermically 4/5 gain into a man, aet. thirty-nine years; ( 7 to 9 , experiments with the alkaloid from bulbs that had flowered); 7 , a man, aet. forty years, took 1/2 grain nitrate (first day); 3/4 grain (second day); 1 grain (third day); 1 1/2 grain (fourth day); 2 grains (fifth day); 2 1/2 grains (seventh day); 2 3/4 grains (eighth day); 3 grains (ninth day); 4 grains (tenth day); 8 , same, afterwards took 1/2 grain every two hours for two days, and on the third day took 1 grain every two hours; 9 , effects of topical application to eye; 10 , a man took 12 minims of a solution of the flowered bulbs; 11 , same, took 4 grains alkaloid; 12 , effects of 12 minims.