- HEMORRHOIDS
- (see Piles), II 471
- HEREDITY, V [1293]
- so-called wonders of microscopic study of reproductive cells in, [V 1294]
- chromosoms in different species, [V 1294]
- action of, [V 1294]
- what it is, [V 1295]
- characteristics not due to, [V 1296]
- summary of facts regarding sex and, [V 1297]
- HERNIA
- causes of, II 443
- HONEY
- food value of, II 330
- composition of, II 331
- HUMAN ILLS
- chiefly due to dis-eases and conditions originating in the stomach, I 4
- (see chart showing dis-eases caused by superacidity), I 9
- HYDROCARBONS
- definition of, I 89
- uses of, I 89
- where found, I 89
- how formed, I 90
- HYDROCHLORIC ACID
- how formed, I 64
- action of, I 65
- its importance in digestion, I 66
- chemical symbols of, I 67
- HYDROGEN
- where found, I 42
- physical properties, I 43
- chemical properties of, I 43
- gas, I 45
I