8 4 o THE POPULAR SCIENCE MONTHLY. 



give it the highest accuracy at the present time, it forms altogether a 

 kind of comprehensive report upon the present state of the science in 

 many of its most interesting and important aspects. 



It may he remarked that the chemical inquiries detailed in this 

 work took at first an analytical direction, with the ohject of isolating 

 and identifying the proximate constituents or radicals of which or- 

 ganic compounds are constructed. Then they became synthetical, 

 and were directed to the artificial building up or evolution of organic 

 compounds. Some of these were already known as products of ani- 

 mal and vegetable life ; while others, of at least equal complexity, were 

 new additions to the category of organic bodies. In both cases their 

 synthetical construction brought to light trustworthy evidence of their 

 molecular architecture. 



Dr. Frankland's investigations in applied chemistry, and especially 

 those upon the purification of the sewage of towns, and the treatment 

 of foul liquids from manufactories, and which were undertaken at the 

 instigation of the Government, are most valuable. The results of the 

 investigations on gas and water will be of service to engineers, manu- 

 facturers, agriculturists, local boards of health, and others interested 

 either in the supply of gas and water to towns, the removal and utili- 

 zation of foul drainage, or the health of populous places ; for, in pur- 

 suing his inquiries Dr. Frankland did not confine himself to indispen- 

 sable experiments and observations merely, but endeavored to discover 

 the general principles underlying the various processes. 



Dr. Frankland has been awarded honors from a large number of 

 scientific bodies in England and on the Continent. He is Correspond- 

 ing Member of the French Academy of Sciences ; Foreign Member 

 of the Royal Academy of Sciences in Bavaria ; and of the Academies 

 of Sciences of Berlin, St. Petersburg, and Bohemia. He is also Hon- 

 orary Member of the Societies of Natural Sciences of Switzerland and 

 of Gottingen ; of the Literary and Philosophical Society of Manches- 

 ter ; of the Chemical Societies of Germany, America, and Lehigh Uni- 

 versity, United States ; of the Sanitarian Society of Dresden, and of 

 the Pharmaceutical Society of Great Britain. 



