52 A Correct Colour Code. [Sess. 
LIGHTER (THINNER) CLOTHS, 
which match my Code Colours as nearly as possible, and 
as at present kept in stock by Mr Winterbottom :— 
Pattern. Colour. Winterbottom’s Nos. 
Buckram : : . White . ; ; ‘ 1 
Cloth (extra) . ‘ i Black. ; . : 6 
Do. , ‘ « iGrey : ’ :. ee 
Do. : : . Stone . : ; . 474 
Art Linen . : . Red ; . : : 13 
Cloth (extra) . : aa DGS yg E : “A 
Do. ; , ou. “Blue: is : : « oO 
Buckram : ; . Yellow . ‘ ‘ : 4 
Cloth (common) . Do.: : , . 226 
Cloth (common and weak) Purple . ; z “202, 
Cloth (extra). : . Green . fae! 
Art Linen. : . Dark Purple (too dark) ye l2 
Cloth (extra). . . Orange . : . 180 
Patent lined Art Linen. Brown . , : ‘ 2 
Cloth (extra) . : : Do, 7s : . “tel 
Messrs W. inform me that “if a demand arises” they will 
match and supply any materials to my CCC Colours (in 
lit., Feb. 1898) in the stronger series. 
By adopting the Salvin # in. principle of divisions for book- 
shelves, these pamphlet-cases and book-publishers’ sizes placed 
upon the shelves lose only the minimum of space. The 
Library Bureau “ Adjustable Book-Crates ” can also be simi- 
larly utilised. I have tested both of these. The Salvin 
principle is so well known that I need not describe it. But 
bookshelves, drawers of most suitable depths or any depths 
which are multiples of } in., can fit in same cases or shelves 
—¥ in. for flat architects’ plans, maps, coins, &c., up to any 
multiple for innumerable purposes of collections or books. 
Another development of my Code Colours may occur—viz., 
the use of post-cards in these colours for Regions, &c. Thus, 
if a specialist residing in any Faunal Area—say “ Palearctic, 
European, England ”—used special cards in colours for all 
connected with his area, recipients who may, for instance, be 
generalising upon a work on Region, Sub-Region, or Country 
can at once jile the colour under its own index. But black 
and purple are a little troublesome, though not really difficult 
to use: simply print the fop of the “ guide edge” in black, and - 
write the communication on white beneath. Post-cards to be 
