35 
(12.) The relationship between the amount of work done and the 
amount of Food required. 
The body requires nearly ;3, part of its weight of Food 
every 24 hours. 
(18.) The processes of Nutrition and Elimination in the main 
consist of interchanges between Nitrogen and Carbon—the 
right proportion of these elements in our daily food, is 
Nitrogen 1 to Carbon 15; if this proportion is not observed 
the body will suffer. 
(14.) The production of Animal Heat. 
(15.) The Potential Energy of Food, and the amount of Actual 
Energy developed from it in the body. 
(16.) Digestibility of Food—length of time required for the 
digestion of various articles of diet. 
(17.) Diseases connected with food. The following were dis- 
cussed :—Dyspepsia, Parasitical Diseases, Typhoid Fever, 
Diphtheria, Rheumatism, Gout, Poisoning by Decomposing 
Food, Tuberculosis. 
Bad Food and bad feeding one cause of the high infant 
mortality in Burnley.—Suggestions to reduce it. 
HADRIAN’S WALL. 
By WALTER SOUTHERN. 29th March, 1892. 
Within a few hours journey from Burnley we may find our- 
selves in a district of great natural beauty, amid crowded 
associations of all times and all peoples in our country’s history. 
The interest centres in a mighty work which unfolds before our 
eyes the daily life, the character and the manners and customs of 
the Roman people, and of the strange medley of natives of every 
clime in the Roman world who made up the legions of the 
empire. After the departure of Julius Cesar in the second year 
of his invasion of Britain, this country saw little of the Romans 
for a century. As the result of a deeply calculated policy the 
Romans rooted out the priestly Druid power which had been a 
source of chronic disaffection in Gaul. The Druids sought 
refuge here. They were pursued by Aulus Plautinus, the trusted 
general of Claudius. The southern portion of the island to the 
Thames and the Severn was soon subdued. Then came the 
visit of Claudius himself, the defeat of Caractacus and the 
addition of another province to the great empire. Agricola, the 
emissary of Vespasian conquered the Brigantes who had occupied 
