284 NATURAL SCIENCE [April 



He also wrote a popular work in the Dutch language on "The 

 Vertebrate Animals of the Past," which we noticed in Natural Science, 

 vol. viii., p. 347 (1896). Dr Winkler was elected a Foreign Corre- 

 spondent of the Geological Society of London so long ago as the year 

 1874. 



Pkofessor Wilhelm Joest, whose death we recorded in February, 

 died on Nov. 25, 1897, on the Island of Santa Cruz, Australia, while 

 on an ethnological expedition from Berlin, aged 45. 



The following deaths are also announced : — 



N. Alboff, Russian botanist, at La Plata ; Dr Delmas, geologist, at Castries, 

 Aveyron ; the Portuguese explorer, Captain Roberto Ivens ; Jean Linden, the botanist 

 of Brussels, on Dec. 12, 1897, aged 81 ; Mrs Nettleship, mother of the famous family 

 of Nettleships, at Oxford, in February, aged 81 ; Heinkich Ribbe, the entomologist, 

 at Radebeul, near Dresden, on Jan. 19, aged 65 ; O.skar von Riesenthal, the ornith- 

 ologist, on Jan. 21, at Berlin, aged 67 ; F. W. Seydler, botanist, at Braunsberg, aged 

 80 ; C. G. SoHST, the conchologist, at Hamburg ; Imbault Huart, French consul at 

 Canton, well known for his geographical and ethnographical researches in Formosa, 

 aged 40 ; Dr Johann Volentin, of Frankfurt-on-Maine, while on an expedition in 

 Patagonia for the National Museum of Buenos Ayres ; Prof. Albert Zionmeter, the 

 botanist, at Innsbruck, on Dec. 15, 1897, aged 49 ; GusTAV Zimmermann, the 

 entomologist of Briix, Bohemia, on Dec. 29, 1897, aged 66. 



