O. NECROLOGY. 611 



O. NECROLOGY. 



The following list embraces the principal losses by death 

 in the ranks of scientific men during the year 1871. 



Babbage, Mr. Charles. A mathematician of eminence ; was the inven- 

 tor of a calculating machine ; contributed many papers to scientific journals ; 

 the author of one of the celebrated series of " Bridgewater Treatises." Died 

 October 20th, in his seventy-ninth year. 



BartOIl, Dr. J. R. An eminent surgeon. Died January 1st, at Phila- 

 delphia. 



Basevi, Captain. Eoyal Engineers ; deputy superintendent of the Trig- 

 onometrical Survey of India. 



Chauvenet, Professor William. An eminent mathematician and as- 

 tronomer. At one time connected with the Naval Academy at Annapolis, 

 and subsequently Chancellor of Washington University, St. Louis. Died at 

 St. Paul, Minnesota, December 13th, in his fifty-first year. 



Claparede, Edouard. A native of Switzerland ; author of valuable 

 papers upon the infusoria, the marine worms of the Hebrides and of the shores 

 of the Mediterranean, and many other highly-prized treatises upon different 

 branches of natural history. Died at the age of thirty-nine. 



Denny, Mr. Henry. Curator of the Leeds Philosophical and Literary 

 Society for nearly fifty years ; author of a work upon the lice of different 

 species of animals. Died aged sixty-eight. 



Dumeril, Professor A. A. A well-known naturalist, and an author of 

 many works upon reptiles and fishes ; a member of the Institute of France 

 and the Society of Acclimatation, and professor in the Natural History Mu- 

 seum of Paris. Died November 12th, at the age of fifty-eight. 



Haidinger, Chevalier William. For many years at the head of the 

 Geologische Reichsanstalt of Vienna; particularly interested in the collection 

 of meteorites. Died at an advanced age. 



Hartweg, C. T. Botanical collector in California, Mexico, and South 

 America ; director of the grand-ducal gardens at Swetzingen, Baden. Died 

 February 3d. 



Herschel, Sir John F. W. A distinguished astronomer and mathema- 

 tician ; author of a standard text-book on astronomy, and of many valuable 

 philosophical works ; master of the Mint ; the recipient of many honors, 

 medals, etc., in recognition of his merit as a man of science. Died May 12th, 

 aged eighty-four. 



Hincks, Rev. William. Professor of natural history in Queen's College, 

 Cork, and in the University of Toronto ; a writer of various articles upon the 

 botany and geology of Canada. 



