Unpublished paper, 'On the brain as an aggregation of parts' by [Johann Gaspar] Spurzheim Spurzheim writes of the structure and function of the healthy human brain compared with the brains of people with psychiatric disabilities, and orangutans. Minor corrections in ink appear throughout. Subject: Phrenology / Anatomy Whilst this paper was not abstracted in the Proceedings of the Royal Society, a mention of its reading at a meeting of the Society as well as a short abstract was published in The Philosophical Magazine: 'X. Proceedings of Learned Societies'. The Philosophical Magazine, or Annals of Chemistry, Mathematics, Astronomy, Natural History, and General Science, vol 6, July-December 1829, p. 54. Spurzheim published this paper as part of a larger work: Spurzheim, J G. 'Appendix to the anatomy of the brain, containing a paper read before the Royal Society on the 14th of May 1829, and some remarks on Mr Charles Bell's animadversions on phrenology'. London, Treuttel, Wurtz and Richter, 1830. Read to the Royal Society on 14 May 1829. Communicated by Richard Chenevix. [1829]