626 ANNUAL RECORD OF SCIENCE AND INDUSTRY. 



Thatcher, Charles. A well-known conchological collector. Died of 

 fever at Shanghai. 



Thomson, Dr. Thomas. A botanist, and well known as an assistant of 

 Sir Joseph Hooker in Himalayan exploration, and in the Indian flora. At 

 one time Director of the Calcutta Botanic Garden. Born at Glasgow, 1811. 

 Died April 18th. 



Visiaili, Professor R. de. In charge of the department of botany in 

 the University of Padua. Author of a "Flora Dalmatica," etc. Died 

 May 4th, aged seventy-seven. 



Wallis, Dr. Gustav. A distinguished German botanist. A collector 

 of plants in Central and South America, and also in the Philippine Islands. 

 It is said that 1000 new species were introduced by him into European horti- 

 culture. 



Weber, Professor E. H., of Leipsic. Occupied the chair of physiology 

 in the University of Leipsic. Author of several treatises on anatomy and 

 physiology. Died January 16th, in the seventy-eighth year of his age. 



Williams, ProfeSSOr Gustav. A well-known African explorer. Con- 

 nected with the Strasburg University. Died at the age of thirty-two. 



Wiser, Dr. David. An eminent Swiss mineralogist. Died at Zurich, 

 March 21st, at the age of seventy-six. 



Wolfers, ProfeSSOr. Editor of the Astronomisches Jahrbuch. Many 

 years connected with the Berlin Observatory. Died in that city, April 22d, 

 at the age of seventy-five. 



WollastOIl, Thomas Vernon. A distinguished British entomologist. 

 Author of many valuable papers on the entomology of Great Britain, and of 

 memoirs on the Coleoptera of the Madeiras, Salvages, Cape Verdes, and St. 

 Helena. Died January 4th, at the age of fifty-seven. 



Yandell, Dr. L. P. An eminent physician, and devoted to the study of 

 the fossil forms of animal life, especially the Crinoids. Died at Louisville, 

 Ky., February 4th, at the age of seventy-three. 



Zanardoni, Professor Giovanni. Botanist. Died at Venice, April 



24th, aged seventy-four. 



