336 OBITUARIES [april 1899 



Professor Extraordinarius (1878), and finally, on the death of Beyrich, as 

 Professor Ordinarius (1891). He travelled extensively in Europe, and spent 

 his vacations as far as possible in the study of stratigraphical geology. His 

 University thesis (defended at Breslau, where -he studied under Ferdinand 

 Roemer) referred to the Devonian rocks of Silesia, and was published in 1868. 

 Until 1881 most of his writings dealt with invertebrate fossils, and after that 

 date he paid special attention to the Vertebrata. His best-known memoir is 

 that on the Berlin Archaeopteryx, published in 1884. He also wrote important 

 memoirs on Plesiosaurus, Tertiary Chelonians, Triassic fishes, and the extinct 

 Cetacean Zeuglodon. 



On January 18, Dr. Karl Friedrich Wilhelm Claus, Emeritus Professor 

 of Zoology in the University of Vienna, well known for his text-books of zoology, 

 and for his numerous researches on invertebrates. He was born at Kassel on 

 January 2, 1835, studied at Gottingen and Giessen, and was professor at 

 Gottingen and at Marburg before he went to Vienna. 



Charles Dbtjey Edward Fortnum, the mineralogist and antiquary, died 

 on March 6, at Stanmore, in his eightieth year. Dr. Fortnum divided his 

 collections of Australian insects between the British Museum and the Hope 

 Collection at Oxford many years ago. In his later years he paid especial 

 attention to majolica and gems, and was a liberal donor to the University of 

 Oxford. He was a trustee of the British Museum. 



On February 9, at the age of 81, Prof. Karl Muller, till recently editor 

 of Die Natur, of which he was one of the founders. The Rev. J. Digges 

 La Touche, the geologist, at Stokesay in February of advanced age. He 

 was the author of "A Handbook of the Geology of Shropshire," 1884; was 

 President of the Caradoc Field Club ; and made a geological model of the 

 country around Stokesay. Prof. H. F. Wustenfeld, of Gottingen, who died 

 at Hanover towards the end of February, at the age of 91, was well known 

 for his " Geschichte der Arabischen Aerzte und Naturforscher." Dr. Francis 

 N. Macnamaea, on March 5, at the age of 67, a prominent member of the 

 Indian Medical Service, once Professor of Chemistry at the Calcutta Medical 

 College. On March 13, from the plague, Major J. Evans, Professor of 

 Pathology in the Calcutta Medical College. 



The death is also announced of the famous palaeontologist, Prof. Charles 

 Othniel Marsh of Yale. He was born in 1831, graduated in 1860, and 

 became the first professor of palaeontology at Yale in 1866. An obituary 

 notice will be published in our next number. 



