1174 



APPENDIX C. 



The next species is spirillium (Nos. 16-19), in which we find.the 

 cholera germ (No. 18) ; No. 20, spirochete ; No. 21, vibrio ; Nos. 22 

 and 23, cladothrix ; Nos. 24 and 25, monas ; No. 26, rhabdomonas. 

 The remainder (Nos. 27-39) represent the above species in different 

 forms of cultivation. These germs are vegetable growths of a low 

 order. ' 



fie, 51. — Sediment from sluggish, Impure river water, showing a mass of spore* 



of animal and vegetable matter, magnified one 



thousand diameters. 



It is evident from the foregoing facts and the teachings of all 

 experience, that the comfort and health of the farmer and his 

 family, and the thrift of his domestic animals, depend in a large 

 degree upon the purity and quantity of the water which is furnished 

 on the farm. . 



