BOTANICAL rflOTOGKAPHS COMMITTEE, 417 



The considerations which led to the appointment of these committees 

 Were briefly as follows : — 



1. Many naturalists and travellers find it necessary to make photo- 

 graphic negatives in the course of their work for which they themselves 

 nave no further use, but which they would gladly make accessible to 

 Other students if any scheme existed by which this could be done with- 

 out much trouble. 



2. Further, though many professional photographers in various parts 

 of the world have made use of their opportunities of recording various 

 types of vegetation, there has hitherto existed no record of what has 

 been done in this direction ; with the result that valuable collections 

 have remained unknown or inaccessible to those in whose interest they 

 have been made. 



What appears therefore to be required is, in the first place, a register 

 of the photographic negatives which can be made generally available, 

 illustrated by a permanent print from each, preserved in an accessible 

 centre. It is also essential that properly qualified students may be 

 enabled to obtain duplicate prints, or lantern slides made from them, for 

 their own use at a reasonable price. In any such scheme it would be 

 undei'stood that the copyright, for purposes of publication, would remain 

 with the owner of the negative, and that all duplicate prints or lantern 

 Elides distributed under this arrangement would be subject to that 

 qualification. 



In establishing such a register the Committee desire the co-operation 

 of all owners of suitable photographic negatives, who are invited to 

 submit for registration one print from each negative, together with full 

 particulars of the subject of the photograph on the enclosed form 

 (Form A), additional copies of which can be obtained from the Secretary 

 of the Committee. 



It will be found convenient for the sender of the photograph to 

 number it on the back and to fill in this number on the printed form. 



Photographs should be sent unmoutded. This is essential in order to 

 secure the proper .systematic arrangement of the collection. They will 

 be mounted by the Committee on cai'ds of uniform size. 



Copies of photographic prints, and information relative thereto, 

 should he sent under cover to the Secretary of the Committee at the 

 earliest possible date in order to facilitate the work of registration. They 

 should be sent not later than August 1 in each year. 



A detailed li.st of the photographs otficially received each year with 

 the names of the donors and information as to where copies may be 

 obtained will be inserted in the report of the Committee, which is 

 presented annually to the British Association. A copy of the report 

 will, if possible, be sent to each donor of a photograph. 



The photographs will be deposited in some central institution, where 

 they will be accessible to the public for purposes of reference. 



It is important that copies of photographs which have been processed 

 for illustrating articles and papers in journals should be deposited in the 

 collection ; they should be accompanied by an exact reference to the pub- 

 lication and, if possible, a copy of the plate. 



To avoid duplication of photographs the Committee reserve to them- 

 selves the right of returning duplicates or unsuitable photographs to the 

 Sender without registering the same. 



1903. E £ 



