1884-85-] EdinburgJi Naturalists' Field Club. 265 



I use a low power — an exposure of five minutes. [The plate was 

 then exposed and developed in the presence of the meeting ; and, 

 although it was not carried so far as printing density, turned out a 

 perfect success.] 



I think the above explanation affords all the necessary and 

 essential information to enable any of the members who wish to 

 try it to start work. Yet to every beginner there are innumerable 

 difficulties starting up before they acquire the necessary skill and 

 dexterity from practice. If any such are members of this Societ}^, 

 I only add that I shall be too pleased to give them every help and 

 advice they may require, so far as in my power. 



At the meetings several members exhibited interesting micro- 

 objects ; Mr Forgan distributed a number of beautiful photo- 

 micrographs ; and unmounted preparations were given to the mem- 

 bers present to be mounted at home — the proper methods to be 

 followed in mounting being in each case indicated. The objects 

 distributed included preparations from the following : — 



Vegetable. 



Aerial root of Orchis. 



Bryopsis plumosa, with Diatoms in 



situ. 

 Stem of Selaginella cfesia. 

 Petiole of Nymphtea alba. 

 Stem of Pinus sylvestris (clouble- 



staiiied). 



Leaf and stem of Hoya carnosa. 



Stem of Xanthochymus. 



Root of Pandanus graminifolius. 



Peziza tectoria. 



Stemonitis fusca. 



Fucus vesiculosus. 



C'allithamnion Rothii. 



Animal. 

 Kidney, liver, and tongue — human and other — stained and double-injected. 



The Annual Conversazione on 17th April took largely the form 

 of a microscopic exhibition ; and as an interesting record of what 

 was then shown, a copy of the Programme distributed on that 

 evening will be found at the end. 



ANNUAL BUSINESS MEETINGS. 



The Annual Business Meeting of the Club for Session 1884-85 was 

 held on the evening of the 24th October 1884. The Secretary and 

 Treasurer submitted his Statements, which were approved of. 

 At this meeting an alteration of the Laws was made, to the 

 effect that there shall be three Vice - Presidents, instead of one 



