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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Fig. 122. — I. One of the most common species of bacteria which 

 cause suppuration {Micrococcus pyogenes). 



2. Spheroidal bacteria arranged in pairs {Difilococcus). 



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. 



9. The bacilli of consumption. 



10. The bacteria of diphtheria. 



11. The microbes of .-Vsiatic 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 



