23 



There is one incidental circumstance con- 

 nected with the Museum press-arrange- 

 ment of such importance that I may hope 

 to be allowed a few words respecting it, 

 although I adverted to it in the course 

 of the discussion yesterday. I allude to 

 the fourth copy of the catalogue. It is 

 generally known that the titles of books 

 catalogued at the Museum are transcribed 

 trebly on carbonic tissue-paper by a mani- 

 fold writer, and that the catalogue is thus 

 kept up in triplicate. But I suspect it 

 was not generally known until the delivery 

 of the President's address that a fourth 

 copy is taken at the same time. These 

 fourth slips are kept in boxes, and then 

 arranged, not in alphabetical order as in 

 the catalogue, but according to the posi- 

 tion of the books upon the shelves. Now, 

 as each shelf is restricted to a single sub- 



