Our record of deaths among men known in science includes the names of Dr. Henriques de Castro, a Dutch archæologist of Portuguese descent, member of many learned societies of the Netherlands; John Eliza de Vry, of the Netherlands, one of the chief authorities on the chemistry and pharmacy of the cinchona alkaloids, at The Hague, July 30th, in the eighty-sixth year of his age; Dr. Eugenio Bettoni, director of the Fisheries Station at Brescia, Italy, August 5th, aged fifty-three years; Professor Arzruni, mineralogist in the Polytechnic Institute at Aix; Heinrich Theodor Richter, director of the School of Mines at Freiberg, Saxony; Dr. J. Crocq, professor of pathology in the University of Brussels; Dr. C. G. Gibelli, professor of botany and director of the Botanical Institute at Turin; Don Francisco Coello de Portugal, president of the Geographical Society of Madrid, and author of an atlas of Spain and its colonies; Dr. B. Kotula, author of Researches on the Distribution of Plants; Surgeon Major J. E. T. Aitchison, a distinguished botanist, particularly in the botany of India, and author of numerous papers on the subject, September 30th, in his sixty-fourth year; M. Thomas Frédéric Moreau, a French archæologist, author of a collection of Gallic, Gallo-Roman, and Merovingian antiquities, in his one hundred and first year; M. Gabriel de Mortillet, the eminent French anthropologist, in Paris, November 4th, aged sixty-seven years; Sir George Smyth Baden Powell, political economist, aged fifty-one years; Sir John Fowler, engineer in chief of the Forth Bridge, aged eighty-one years; Dr. James I. Peck, assistant professor of biology in Williams College, and assistant director of the Biological Laboratory at Woods Hole; George Vestal, professor of agriculture and horticulture at the New Mexico Agricultural College, October 24th, aged forty-one years; Dr. W. Kochs, docent for physiology at Bonn; M. J. V. Barbier, a distinguished French geographer; M. N. J. Raffard, an eminent French mechanical engineer, author of many valuable inventions; Latimer Clark, F. R. S., an eminent English electrician, one of the founders and a past president of the Institution of Electrical Engineers, whose name is associated with the history of electric telegraphy and with many inventions, and author of several books that are standard with the profession, at Kensington, London, October 30th, in his seventy-sixth year; Count Michele Stefano de Rossi, a distinguished Italian seismologist; M. de Meritens, a French electrical engineer, inventor of one of the first practical dynamos, and of other valuable electrical apparatus, aged sixty-five years. Transcriber's Notes: Words surrounded by _ are italicized. Words surrounded by = are bold. Obvious printer's errors have been repaired, other inconsistent spellings have been kept. Illustrations were relocated to correspond to their references in the text.