Paintings, planaria worms by J R J [James Rawlins Johnson] Plate 49 containing 17 figures pasted onto a backing sheet, showing the species P. cornuta; P. torva; P. brunnea; and P. lactea. With publication and plate details inscribed. Initialled lower left 'J.R.J. delint'. Royal Society stamp verso. Watermarked 'G&A 1818'. The manuscript for this paper is wanting. Subject: Zoology Published in Philosophical Transactions as part of paper titled 'Observations on the genus planaria' by James Rawlins Johnson. Read to the Royal Society on 27 June 1822. [1822]