48 



OBITUARY. 



Charles Thomas Hudson, M.A. LL.D. F.R.S. Hon. F.E.M.S. 



1828-1903. 



Charles T. Hudson was the son of John Corrie Hudson, of 

 Guildford, and was born at Brompton on March 11, 1828. He was 

 educated at the Grange. Sunderland, and at St. John's College, 

 Cambridge. In 1852 he took his degree, being bracketed fifteenth 

 Wrangler in the Mathematical Tripos. 



From 1855 to 1860 he was head master of Bristol Grammar 

 School, and from 1861 to 1881 of Manilla Hall, Clifton. Dr. 

 Hudson became a Fellow of the Society in 1872, served on the 

 Council for some years, and was President from 1888 to 1890. 

 In 1889 he was elected a Fellow of the Royal Society, and in 1901 

 Honorary Fellow of the Royal Microscopical Society. 



Dr. Hudson was always devoted to microscopical studies, and 

 liis researches on the Rotifera are of world-wide knowledge and 

 repute ; in this branch of science he was the chief authority of hi.s 

 time. In 1886 he published, in collaboration with Mr. P. H. 

 Gosse, F.R.S., The Rotifera, or Wheel Animalcules. 



He was the discoverer of several new genera and species of 

 Rotifera, among which may be mentioned Pedalion minim. The 

 results of his researches and observations were communicated to 

 various scientific journals, our own being specially favoured. His 

 addresses were charming in style, and his lectures on his favourite 

 topics were exceedingly interesting both to hear and see, for they 

 were elegantly illustrated by a method which he had made 

 peculiarly his own. The outlines of the objects were indicated by 

 means of dots and lines, cut out of a large brown paper screen, 

 the perforations when necessary being covered in Math coloured 

 transparencies. When illuminated from behind, a dark-ground 

 effect was produced, which was most effective and elegant. 



Mr. Hudson was twice married, first to a daughter of Mr. 

 W. B. Tibbits, of Braunston, Northamptonshire, and in 1858 to a 

 daughter of Mr. Freelove Hammond. 



He died on October 24, 1903, at Hillside, Shanklin, where he 

 had resided for some time. 



List of papers by Dr. C. T. Hudson in the Journal of the Royal 

 Microscopical Society : — 



1879. On (Ecistcs umhella and other Rotifers. Note on M. Deby's 



paper (on Pedalion). 

 1881. On (Ecistcs janus and Floscularia trifolium, two New Species 



of Rotifers. 



