These articles have been removed from a bound collection of the Proceedings of the Royal Society of London, Volume 12. The articles include: On the Structure of the so-called Apolar, Unipolar, and Bipolar Nerve-cells of the Frog; On the Belts of Jupiter, page 575; Notes of Researches on the Polyammonias, No. XXIII-Hydrazobenzol, and new Compound isomeric with Benzidine, page 576; Note on the Composition of Aniline-Blue, page 578; On the Calculus of Symbols, page 579; “On the Coagulation of the Blood,” page 580; On the Molecular Mobility of Gases, page 611; Further Observations in favour of the View that Nerve-fibres never end in Voluntary Muscle, page 668; and Note on the Minute Structure of the Grey Matter of the Convolutions of the Brain of Man, the Sheep, Cat, and Dog, page 671.