428 RECORD OF SCIENCE FOR 1886. 



Ro.val College, Mauritius, and siuce 1800 the chair of physics in the 

 Royal School of Mines, London, His origi-nal contributions to both 

 sciences were numerous and important. He founded in 1873 the Phys- 

 ical Society of London, Guthrie was also the author of several works 

 on heat, electricity, and molecular i)hysics. 



F:6lix Leblanc died in Paris in May (?), 1886. He was for many 

 years a co-laborer with Dumas, and at his death was connected with the 

 ficole Centrale des Arts et Manufactures, in Paris. His studies on car- 

 bon monoxide are noteworthy. He was vice-president of the Society 

 for Encouragement of National Industries, and member of many learned 

 societies. 



E. LiNNEMANN, professor of chemistry at the University of Prague, 

 died April 27, 1886. He was born in 1841. For an account of his scien- 

 tific labors see Ber. d. chem. Ges., xix, 1149. 



Frederic Melsens died in Brussels April 20, 1886, aged seventy- 

 two years. He was an active investigator in both inorganic and organic 

 chemistry throughout his life. 



MosER VON MoosBRUCH, of Vienna, an agricultural chemist, died 

 early in the year 1886. 



William Ripley Nichols died July 14, aged thirty-nine. He held 

 the chair of general chemistrj' in the Massachusetts Institute of Tech- 

 nology, of which he was a graduate. He was the author of several text- 

 books, and had a high reputation as an expert chemist in matters per- 

 taining to hygiene. 



Max Reimann died October 22, 1886. His investigations and writ- 

 ings for twenty years were chiefly in the line of industrial chemistry. 

 For a biographical sketch see Ber. d. chem. Ges., xix (1880). 



G. F. Heinrich Schroder, bora in Munich, September 28, 1810, died 

 May 12, 1885. A full biographj^ will be found in Berichte der deutschen 

 chemischen Gesellschaft, xviii, R., 843. 



Charles Upham Shepard, the well-known American mineralogist, 

 died May 1, 1886, in his eighty-second year. His chemical work was 

 chiefly in connection with minerals. A full notice will be found in the 

 American Journal of Science, Vol. xxxi, 482 (June, 1886). 



Edward Solly died April 2, 1886, in the sixty-seventh year of his 

 age. He was a member of the Royal Society. 



Julius Adolph Stockhardt, the well-known agricultural chemist, 

 died at Tharandt, Saxony, June 1, in his seventy-seventh year. He 

 was the originator of the agricultural experiment stations now so com- 

 mon in Europe and elsewhere. His text-book, "Principles of Chem- 

 istry," did much to popularize the science. He was editor of many jour- 

 nals devoted to scientific agriculture. For a fuller sketch of his life see 

 Popular Science Monthly for June, 1881. 



Magnus Troilius died April 19, in Philadelphia, Pennsylvania. 

 He was a graduate of the Royal School of Mines of Stockholm, and 

 held for several years the position of chemist to the Midvale Steel 



