Table of Contents. xv 



PAGES 



I, The Oeganisms op a Vegetable Nature which have been pound in the Blood. — 

 The lower forms of plant-life — Nageli's three groups of lower fungi — The limited range of 

 transformations among fungi — The schizomycetes distinct from the other groups and do not 

 germinate — Cohn's classification and views — Terms by which various forms of the schizomycetes 

 are known — Conditions under which fungoid organisms are found in the blood — Healthy blood 

 not conducive to the growth of bacteria, &c. — The diseases in which fission-fungi have been found 

 in the blood — The fermentation theories of the causation of disease — The vital theory, Pasteur's — 

 The physico-chemical theory, Liebig's 563 — 569 



A. Tlie Organisms found in the Blood in Splenic Fever. — M. Davaine's researches — Bacteridia 

 — Discovery of bacteridia in man — Professor Cohn's Bacillus anthracis — Dr. Koch's researches : 

 some objections which had been raised against Davaine's conclusions — The effect of the virus 

 on mice — -Cultivation of the bacilli — The " spores " of bacilli — Virus, according to Koch, inert in 

 alimentary canal — Dr. J. Cossar Ewart's experiments — Recognition of " spores " of Bacillus 

 anthracis in the intestine — Bacillus anthracis no longer to be considered motionless, nor capable 

 of resisting boiling water or compressed oxygen — Mons. P. Bert's researches — Effect of com- 

 pressed oxygen on scorpion venom, vaccine, and glanders matter — Effect of compressed oxygen 

 on charbon-blood — Effect of absolute alcohol on charbon-blood — M. Pasteur's researches as to 

 charbon : cultivation experiments— The vitality of the " spores " of bacillus anthracis — M. Bert 

 is convinced that the " spores " can withstand the action of compressed oxygen and alcohol — 

 Bacilli a common accompaniment of the decomposition of urine 569 — 579 



B. The Vcgetahlc Organisms in SeptictBmia. — Septicaemia — M. Bert and MM. Jaillard and 

 Laplat's results — Davaine on effects of successive inoculations of septinous exudations — M. Pasteur 

 on the " vibrions " of septicaemia — The action of compressed oxygen and alcohol on septic- 

 vibrions 579—581 



C. Vegetable Organisms in Pneumo-enteritis or "Typhoid-fever" of tlie Pig. — Dr. Klein on 

 a bacillus in pneumo-enteritis of the pig — Character of the bacilli previously found associated 

 with Pig-typhoid — Cultivation and inoculation-experiments — The " spores " of the pig- 

 baciUus 581—584 



D. The Vegetable Organisms in tlui Blood in Recurrent Fever. — The spirillum of recurrent 

 fever — Obermeier's researches— Spirilla not invariably present in recurrent fever , . . 584 — 586 



E. The question of the relation of Mycrophytes to Disease. — The questions to be considered 

 before accepting the doctrine that diseases are caused by microphytes — Innocuous character of 

 ordinary schizomycetes when introduced into the system — Disease-schizomycetes assumed to be 

 morphologically different from the others — The bacteridia of charbon said not to be a peculiar 

 plant 586—587 



F. The Vegetable Organisms found in Healthy Blood after death considered in relation 

 to the Bacteria and Bacilli of Diseases. — The bacilli of ordinary decomposing blood — Bacilli 

 in anthracoid disease in Calcutta — The rapid appearance of bacilli in the blood of asphyxiated 

 animals — The relation of the blood-bacilli to the alimentary canal — Paraffine-preparations — 

 Tracing of micro-photograph of the bacilli of healthy tissues — Character and size of these bacilli 

 — Cultivation of the bacilli of ordinary blood — The "spores" of bacilli — The question of specific 

 distinctions among bacilli based on size — " Cultivation " of small bacilli : First day : Second day : 

 Third day — Large size bacilli : modifying influences of cultivating media ; Cultivation : First 

 day — Shde with salt solution added to it : Second day — Slide with aqueous humour added to it : 

 Second day — Bacillus-filaments may disappear in two ways 587 — 595 



G. The relation of the Spirillum of Recurrent Fever to otJwr known Spirilla, — Spirillum 

 Obermeieri— Synonyms — Spirilla observed under various conditions — The spirillum-fever of 

 Bombay — Osmic acid preparations of spirilla — Comparison of micro-photographs of Bombay- 

 spirilla with Weigert's drawings and Koch's photographs — The supposed causal connection between 



the " spirillum-fever " of Bombay and the famine 595 — 598 



H. The Probabilities in favour of considering the Bac II i and Spirilla of tlie Blood as 

 Epi-phenomena. — The transformation of spirilla ino rosary-chain-like organisms— The di 



