Painting, cerebellum of the Squalus acanthias [spiny dogfish] by J H [John Howship] Plate 21 showing a view of the upper surface of the brain of a dogfish of three feet in length, for comparison with views of the brain of the thirty-foot long basking shark. The work is inscribed with publication and plate details. Initialled 'J. H. delt.' Royal Society stamp verso. Subject: Zoology Published in Philosophical Transactions as 'Additions to an account of the anatomy of the Squalus maximus, contained in a former paper; with observations on the structure of the branchial artery' by Everard Home. Read to the Royal Society on 24 June 1813. [1813]