196 PROCEEDINGS OF THE 



sidered to be only one species consisted of a number of species 

 characterised by minute differences, one of these being the differ- 

 ences in the shape of the eye plates. Mr. Soar showed on the 

 screen figures of the mites, also some drawings by Schrank and 

 Koch, and a slide showing figures of the eye plates of all the species 

 of the genus found in the British area. 



A hearty vote of thanks was accorded to Mr. Soar for the 

 interesting resume of his paper. 



At the 549th Ordinary Meeting, being also the fifty-fourth 

 Annual General Meeting of the Club, held on February 10th, the 

 President, Dr. A. B. Rendle, M.A., F.R.S., in the chair, the 

 minutes of the meeting held on January 13th were read and 

 confirmed. 



Messrs. W. Murray Scott, Granville M. Grace, C. Willoughby 

 Poignard, Gordon Fryer, Henry Goullee and Lionel S. Day were 

 balloted for and duly elected members of the Club. Ten nomina- 

 tions were read for the first time. 



Mr. A. D. Michael, a past president of the Club, was elected 

 an honorary member. 



The President brought for distribution some of the diatomaceous 

 deposit from Lompoc, Sta Barbara, Cal., which had been kindly 

 sent by Dr. A. Smith Woodward, who had referred to it at 

 the previous meeting of the Club. Mr. Akehurst exhibited an 

 inexpensive centrifuge, which he had made some years ago from 

 part of the mechanism of a toy and a centrifuge head. Mr. Morley 

 Jones showed a strewn slide of the Lompoc material, and stated 

 that the material was unusually easy to clean. 



The Secretary announced that, after carefully considering the 

 matter, the committee had decided that for the present, owing 

 to the very great increase in the cost of printing, only one number 

 of the Journal would be issued during the year instead of two. 

 The President then read the list of ofi&cers and committee for the 

 ensuing year. Only a sufiicient number of nominations having 

 been made to fill the vacancies, no ballot was necessary. The 

 President then called upon the Hon. Secretary to read the Annual 

 Report. The Hon. Secretary said that the Report was, on the 

 whole, satisfactory. During the year thirty-seven new members 

 had been elected, three had resigned, and ten had died, leaving a 

 total membership of 464 on December 31st. The chief event of 



