Household Science. 93 



him engage in scientific fanning. He proposed that 

 Karle should establish an experimental farm at. Sara- 

 toga, where all that was new in agricultural chemistry 

 should be practically applied. However, before mat- 

 ters had taken definite shape it became clear that the 

 task would not be congenial, and th* enterprise was 

 abandoned. Feeling this disappointment to be due to 

 Earle's lack of scientific training, Edward determined 

 that a younger brother William should be better 

 equipped. William was therefore given a thorough 

 scientific education, and afterward graduated in medi- 

 cine. All this was designed with distinct reference to 

 the probability of future co-operation ; for not only 

 had blindness debarred Youmans from the system- 

 atic scientific training he had sought in early life, but 

 impaired vision and incapacity for enduring protracted 

 desk work made a coadjutor necessary to him. With- 

 out the co-operation of his brother William he could 

 not some years later have established the Popular Sci- 

 ence Monthly. On this brother its editorial duties 

 gradually devolved, until, at the last, they were wholly 

 transferred to his charge. 



The success of the Chemical Chart suggested its 

 amplification in book form. A volume was accord- 

 ingly prepared, and published in 1854, entitled The 

 Chemical Atlas. The scale of illustration was much 

 smaller than that of the Chart; its diagrams portrayed 

 elementary chemistry, the chemistry of rocks and 

 strata, series of homologous compounds, nitrogenized 

 and non-nitrogenized principles of food, and illustrated 

 isomerism and compound radicals. Combustion, res- 

 piration, fermentation, and the chemistry of light were 

 also made the subjects of pictures. All the qualities 

 which had recommended the Chemistry equally 



