[Right Hand Fig 2]
[may also have been pinned to See previous item 22]

Data (tracing); by Charles Robert Darwin; with See item 22 backing sheet, unannotated, on reverse of part of printed petition 'Declaration against war' Draft; by Charles Robert Darwin '22 and 23 are indeed related, being the tracings taken on the same days from the 'left-hand' and 'right-hand' of a pair of plants whose movements Darwin was presumably comparing. The two pieces were apparently originally a single large sheet' - per NWG (email of 9/26/17) The originally separate records for "209.7: 22" and "209.7: 23" are indeed correctly combined into a single parent called "209.7: 22-23... - per NWG (email of 10/10/2017).