454 



W. J. Martin and Dr. P. Guye were balloted for and duly elected' 

 members of the Club. 



The list of donations to the Club was read, and the thanks 

 of the members were voted to the donors. 



The Hon. Secretary regretted to have to announce the death ,^ 

 on November 23rd, at his home in Bridgwater, of Mr. Arthur 

 Cottam, F.RA.S., who joined the Club in 1869. Mr. Cottam 

 had devoted much attention to the study of the genus Aula- 

 codiscus, and in the astronomical world his name is well known as 

 the author of the series of star-maps issued under the title of 

 '' Charts of the Constellations " (1889). Mr. Earland said he had 

 known Mr. Cottam at the time he lived at Watford. He was an 

 excellent microscopist and a very skilful mounter, his chief subject 

 being the Diatomaceae. He was perhaps better known as an 

 astronomer, and had belonged to the R.A.S. for many years. He 

 was also an excellent musician and a good painter. Like their 

 late friend Mr. Jaques, he was connected with the Woods and 

 Forests Department, and was a type of the best kind of Civil 

 servant. 



The death of Mr. J. Inderwick Pigg, F.R.M.S., who was well 

 known to many present, was also announced. 



Mr. C. Lees Curties (of Messrs. Baker) exhibited and described 

 a small fitting designed to facilitate the illumination of opaque 

 objects. It had been suggested by Mr. J. E. Barnard, F.R.M.S.,. 

 and consists of a small right-angled prism affixed to an arm 

 clamped to the nose-piece, which has universal movements. 

 It is to be used with the microscope in the horizontal position, 

 and the illuminating beam is thrown by a bull's-eye upon the 

 prism. It is then projected through the diaphragm of the 

 vertical illuminator, and so through the objective to the object. 

 By this means the position of the vertical illuminator may be 

 varied when objectives of different power are used without the 

 beam of light being altered. 



Dr. J. J. Simpson delivered a lecture on " The Relationship 

 between Insects and Disease." He said that he might with 

 equal, if not more, appropriateness have styled his remarks 

 '* The Inseparability of Insects and Disease." He proposed to 

 deal almost entirely with tropical diseases, and would divide 

 the subject into two headings : (a) The Mode of Dissemination, 

 and (h) The Immediate Cause. In this second case, the study of 



