PROCEEDINGS OF THE SOCIETY. 671 



MEETING 



Held on the 20th of November, 1912, at 20 Hanover Squake, W. ; 

 H. G. Plijimer, Esq., F.R.S., etc., President, in the Chair. 



The Minutes of the Meeting of October 16, 1912, were read and 

 confirmed, and were signed by the President. 



The Secretary announced that the following donation had been 

 received : — Glazed Showcase to contain the liister lenses, arranged with 

 descriptive notes by Mr. Spitta ; and the thanks of the Society were voted 

 to the Donor. 



Mr. E. J. Sheppard exhibited and described twelve photo-micro- 

 graphs of Mitosis. Four of Vegetable Tissues as follows : — (1) Dividing 

 pollen-cells of LiUum candid um, showing spirem stages ; (2) A cell-plate : 

 Dividing cell in growing root-tip of Hyacinthus ; (3) Various stages in 

 growing root-tip of AUiimi ; (4) Ditto. Eight photographs showing 

 different stages of division in the ova of Ascaris megalocephala (var. 

 bivalens) after fertilization. 



With one exception, the sections were stained by the iron-hsema- 

 toxylin process, and the photographs were taken with a 8 mm. Zeiss 

 apochromat and a Nernst lamp 750 c.p., without a screen. The excepted 

 case was a safranin-stained section, for which a signal green screen was 

 used. 



The thanks of the Society were accorded to Mr. Sheppard for his 

 exhibit. 



Mr. Harold S. Cheavin exhibited and read a communication on a 

 new Microscope designed for Philatelic purposes. 



The President, in returning the thanks of the Society for this com- 

 munication, remarked that he sincerely hoped that Mr. Cheavin's expo- 

 sure of their defects might cause our stamps to be made less ugly, and to 

 be less badly printed and engraved than they were at present. 



Mr. Shillington Scales read a brief resume of a communication by 

 the Rev. Hilderic Friend on British Enchytrseids, IV. The Genus Henlea. 



The President returned the thanks of the Society to the Rev. Hilderic 

 Friend for his paper, which would be published in the Journal in full. 



Mr. Heron-Allen read a paper on Saccammina psammosphsera (North 

 Sea, No. 2). Illustrations were exhibited, and described by Mr. 

 Arthur Earland. 



Mr. Earland called attention to specimens of the new variety of 

 Saccammina from the Faroe Channel, exhibited for the first time that 



evening. 



