« Reply #45 on: Tuesday 16 August 11 08:32 BST (UK) »
This has developed into a very interesting thread. I am learning a lot from JM's replies. Having perused them for longer than 60 seconds, I am perusing them in minute detail.
I appreciate that the chartist could well have been "white spacing" and that we need to see the chart to give us a clearer picture, to find out if he used the symbol "to line up the generations and fill in the white blanks of paper".
Hopefully, if it doesn't inconvenience her, RedMystic will be able to get a clear enough copy to post here. RedMystic did advise me in another thread re these ancestors that the preparation for the chart dates back to 2003 and that she noticed after she left the Clan Donald Centre that what she had copied from the CD Centre was page 2 of 4. I think, therefore, I should contact the CD Centre to see if I can get the missing 3 pages. Perhaps we need to see a complete copy to finally conclude.
I would be interested in knowing the chartist's name to see if I can trace through family information I have. If I remember correctly RedMystic intends to advise me by e-mail. If we knew the chartist's profession it could help.
Perhaps this tree was made for his own pleasure and any marks and symbols were something made up, rather than had a specificed / official meaning.
I use all sorts of little markers and symbols for various things (not just genealogical charts) which would mean nothing to anyone else.
Maybe we are trying to read too much into this backward S and trying to give it a meaning which is was never intended to have? 
Just another way of looking at it ... 
I notice the chartist's symbol against the years and names of the areas in which Donald lived. It would look like the lower case "L" to me and would to my mind be an abbreviation for either "location" or "lived". His symbol looks exactly like the lower case "Ls" he has used in words. So, my point is, the lower case "L" would seem an amateurish way to indicate location; whereas, the lateral lines and reversed S that of someone acquainted with draftsmanship in his profession. The lines (horizontal and lateral) and reversed S do look carefully drawn; however, his writing looks a little shaky!
Reversed SI would refer you to Wikipedia, the free encyclopedia. Google "Reversed S" and you will find further meanings of this symbol at Wikipedia. It makes for interesting reading; not that I'm suggesting that any one of the interpretations applies to the chart.
As Ruskie says maybe we are reading too much into the backward S and giving it a meaning it wasn't intended to have.
Liz
Perthshire: MacArthur, Whittet, Mill (Milne), Alexander, Shaw, Pearson, Henderson, Rennie, Comrie, Braid, Ritchie, Roy, MacKillop, Keill, Cumming, Taylor, Marshall, Young, Miller, MacVicar, Murray, Cameron, Croll, Christie, Gloag, Gorrie, Stobbie, Lunnan, Thomson, Crerar, Hepburn.
Dundee: Mill (Milne).
Aberdeen: Mill (Milne).
Skye: MacIntosh, Stewart, MacQueen, Matheson, Morrison, Nicholson, MacLeod, Finlayson.
Peebles: Dickson, Sandilands, Rule, Johnstone.
Edinburgh: Thomson, Sandilands.