1897. OBITUARY. 137 



JoHANN AuGUSTE Streng, the celebrated German mineralogist 

 and chemist, died at Giessen, on January g, aged 67. He was 

 assistant to Bunsen at Breslau, and in 1853 became teacher of 

 Chemistry at Clausthal. From 1867 till 1895 he occupied the Chair 

 of Mineralogy in Giessen University. He made microscopical investi- 

 gations of rocks from Minnesota and worked on rocks from Harz and 

 the Nahe, also, among other things, on felspars, and series of 

 phosphates. 



We regret to record the deaths of :— On November 4, Lieutenant 



E. D. Young, R.N., commander of the Livingstone Search Expedition, 

 and discoverer of the Livingstone range of mountains, aged 55 ; 

 Vivien de St. Martin, renowned for his researches in ancient 

 geography, at Paris, aged 95 ; Dr. Strauss, Professor of Pathology 

 at the Paris Medical School, noted for his writings on tuberculosis and 

 cholera, aged 51 ; on October 6, in Passy, the entomologist Professor 

 A. Henon, aged 74 ; Captain Lucand, of Autun, an esteemed 

 mycologist ; on December 17, at Munich, Dr. Joseph v. Gerlach, 

 formerly Professor of Anatomy at Erlangen, aged 76; on October 7, 



F. Benseler, Inspector at Vienna University Botanical Garden, 

 aged 65 ; Dr. Luigi Calori, Professor of Anatomy in Bologna 

 University ; Dr. R. Zoja, who has done some work in experimental 

 embryology, with his younger brother Alfonso, on September 26, at 

 Nigazzo, by an accident ; Dr. P. Binet, Deputy Professor of 

 Therapeutics in Geneva University, and author of many works on the 

 action of drugs, aged 41; Dr. Leonard J. Sanford, formerly 

 Professor of Anatomy and Physiology in the Medical Department 

 of Yale University, who died at Newhaven, on December 12, 1896, 

 aged 64 ; F. Hazslinszky, mycologist, described as the Nestor 

 of Hungarian botanists, at Eperies, on November 19 ; on December 12, 

 at Copenhagen, Professor Asger Stadfeldt, aged 66 ; F. Saccardo, 

 of Avellino, an authority on vine diseases, and a writer on 

 lichenology, on October 6, aged 27; on October 15, in St. Peters- 

 burg, the Director of the Botanical Garden, Professor A. Batalin ; 

 Baron N. Dellingshausen, naturahst, at Riga ; Dr. F. Morawitz, 

 founder of the Entomological Society of St. Petersburg ; Dr. Modest 

 Galanin, editor of the St. Petersburg Journal of Public Hygiene ; 

 Horatio Hale, the anthropologist, of Canada, on December 29 ; 

 Dr. W. H. Ross, formerly Professor of Anatomy in Mobile Medical 

 College, Alabama. 



Natures Novitates announces the deaths of: H. J. Posselt, Con- 

 chologist at the Zoological Museum, Copenhagen, on July 20; A. 

 Negri, Privatdocent in palaeontology and geology at Padua, on 

 December 11 ; S. Scholz-Rogozinski, African explorer, in Paris, 

 aged 35. 



