HEALTH LAWS. 293 
of Nature’s laws, so shall we be able to avoid suffering and sorrow. 
If a man knows there are treacherous bogs at each side of the 
road he is travelling, he will be doubly careful to keep from 
straying off the road. If we have been instructed in the 
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Fic, 120.—1. One of the most common species of bacteria which 
cause suppuration (Micrococcus pyogenes). 
2. Spheroidal bacteria arranged in pairs (Diplococcus). 
3. Spheroidal bacteria grouped in cuboidal masses (Sarcina). 
4. Spheroidal bacteria grouped in chains (Streptococcus). These 
produce erysipelas. 
5. Diplococci slightly lance-shaped and surrounded by a 
capsule. These cause acute pneumonia. 
6. The bacteria which cause typhoid fever. 
7. Bacilli with cilia. 
8. These bacilli with spores produce lockjaw. 
g. The bacilli of consumption. 
1o. The bacteria of diphtheria. 
11. The microbes of Asiatic cholera. 
12. The microbes of recurrent fever. (From Standard Dictionary.) 
knowledge that certain habits and acts are violations of natural 
laws, and that punishment in some form is bound to follow, the 
fear of consequences, if no higher motive, will keep us in the 
straight path. The very things most essential for every grown 
