Referee's report by Edward Emanuel Klein, on a paper 'The cochlea of the ornithorhynchus platypus compared with that of ordinary mammals and of birds' by Urban Pritchard Not recommended for publication in the 'Philosophical Transactions of the Royal Society'. Much of the paper is taken up by a superficial and dogmatic description of the animal cochlea. Current knowledge is much in advance of that shown in the paper. Refers to work of Jakob Ernst Arthur Böttcher, Johann Nathanael Lieberkühn, Christian Andreas Victor Hensen, Heinrich Wilhelm Gottfried von Waldeyer-Hartz, Gottstein [?], Jean-Pierre Nuel, Lavdovsky [?] and Hasse [Karl Ewald Hasse?]. Subject: Zoology, Physiology [Published in the Philosophical Transactions of the Royal Society, 1881] 5 January 1881