APPENDIX. 



In the year 1869, I commenced experiments on the 

 effects of injecting certain so-called antiseptics and dis- 

 infectants into the circulation of dogs, believing from 

 the researches of Koch and others that we had to deal 

 with bacteria, or the poisons they generate, in the 

 lymph spaces and sub-mucous tissues external to the 

 capillaries. I thought intra-venous injection the best 

 way to get at these organisms and their products. I 

 further commenced to inject poisons into the blood 

 with very strange results. I have thought it right to 

 include these as an appendix to what I have said about 

 snake poison. 



We all know how, from scattered observations 

 pieced together by subsequent workers, great results 

 have been obtained, notably in the science of Elec- 

 tricity, without which we should, in the present day, 

 be comparatively in both physical and intellectual 

 darkness. The beginnings of electrical science were 

 solely from observations, and led to experiments. It is 

 in the hope that the rough experiments I am about to 

 record may set some of my juniors thinking, and 

 possibly lead to a more improved system of applying 

 the facts recorded to medical science. I have not, now, 

 the requisite eye-sight to differentiate between the very 

 minute organic forms, constituting bacteria. 



