From Susan and Catherine Darwin [22 July 1840]
that makes her so uncomfortable.—
Catty is going to the Library & will answer yr questions at the end. We will take no notice about poor John of course.—
Goodbye | Dear Charly | Ever Yr affecte. S E D.
They have got the Measles at Overton, & Franky is very poorly.1
Smellie’s History of Natural Philosophy 1st. Vol.—2 published in 1790. Edinburgh. Printed for the Heirs of Charles Elliot & C. Elliot, & T. Kay. T Cadell & G. G. & J. J. Robinson—London. 1st Edition—Pages 517. 2d Vol. published in 1799. by the late W. Smellie. Printed for Bell & Bradfute. W. Creech E. Balfour & Robinson, Paternoster Row
Reference to W. Smellie’s Natural history  requested by CD.