Table of Contents. ix 



PAGES 



affected hj fresh choleraic material — Effects of putrid choleraic material — Summary of results — 

 Heat as a test of vitality, and as a disinfectant — Application of heat to animal poisons — Effect 

 of heat on snake-poison — Inferences regarding the nature of snake-poison — Table XVII. 



B, Experiments on the effect of transferring inflammatory products from a serous cavity of 

 oiui animal to that of another. — Number of experiments — Percentage of cases in which primary 

 inflammation resulted — Percentage of cases in which inflammation resulted from the introduction 

 of peritonitic fluid (Table XVIII)— Excessive virulence manifested by some inflammatory products. 



C. Summary. — Total observations in this and former report (Table XIX) — Comparative 

 virulence of the various substances introduced into the veins — Comparative virulence of the 

 various substances introduced into the peritoneum — Conclusions. 



III. Experiments on the Section op the Splanchnic and Mesenteric Nerves. — 

 Sections of mesenteric nerves (Table XX) — Copious secretion as the result of section — Sections 

 of splanchnic nerves (Table XXI) 142—184 



The Soil in its Relation to Disease. A Report of Observations by Drs. T. R. Lewis 

 and D. D. Cunningham on the Soil in its Relation to Disease. 1875. 



Introductory. — (1) Mode in which the ohservations have heen conducted^ and the sources of 

 various data. — («) Carbonic acid of the soil-air — {h) Soil-temperature — (<?) Open-air-temperature — 

 {d) Eainfall — (e) Wind-velocity — (/) Water-level — [g) Statistics of disease. — (2) Fluctuations in 

 tlie amotmt of carbonic acid in the soil. — (a) Average amount of carbonic acid in the soil of 

 Calcutta as compared with that of Munich — (&) The fluctuations in amount of carbonic acid in 

 the soils of Calcutta and Munich compared — {c) The quantities of carbonic acid present at 

 different times in upper and lower layers of soil — (rZ) The amount of carbonic acid present in the 

 soil compared with the temperature of the soil at similar depths — (e) The atmospheric temperature 

 — (/) The Rainfall — (g) The water-level — (h) The wind-velocitJ^ — (3) Temperature of the soil. — 

 (4) Water-level. — (5) Relations which the different conditions of soil hear to one another. — 

 (6) ComparisoJi of the prevalence of disease with variou.s conditions of soil. — (7) General 

 conclusions 185 — 204 



Cholera in Relation to Certain Physical Phenomena. A Contribution towards the 

 Special Enquiry sanctioned by the Right Hon. the Secretaries of State for War and 

 for India. By Drs. T. R. Lewis and D. D. Cunningham. 1878. 



Introduction. — The relation of soil to disease 205 — 209 



I. Cholera in Calcutta. 



Chapter I. — The seasonal fluctuations in the prevalence of cholera in an endeviic area — 

 Calcutta 209—215 



Chapter II.— JL comparison of the seasonal fluctuations in individual physical conditions with 

 those in prevalence of cholera in Calcutta. — (a) Atmospheric pressure — (h) Atmospheric tempera- 

 ture— (cO Atmospheric humidity — (ri) Rainfall — (e) Level of soil-water — (/) Soil-temperature — 

 (^) Carbonic acid of the soil-air — Soil-ventilation 216 — 237 



Chapter III. — Physical characteristics of the different seasons of clwlera-prevalence in 

 Calcutta 237—242 



II. Cholera in the Endemic Area Generally. 



Chapter I. — The relation of various physical phenomena to cholera in other districts of the 

 endemic area in the Bengal Presidency, — (a) Geographical limits, and character of the soil of 

 the endemic area — (&) Prevalence of cholera according to monthly periods in the endemic area 

 and the mean monthly rainfall — (c) Prevalence of cholera according to seasons in endemic area : 

 also the rainfall — (<?) The water-level registers of the endemic area 248 — 251 



Chapter II. — Analysis of data furnished hy individual stations selected to illustrate cholera- 

 prevalence and physical phenomena in the endemic area. — (a) Military stations near Calcutta — 

 (&) The stations of Purneah and Berhampore — (c) Dinapore — a transition area : geological and 

 meteorological features 251 — 259 



