Letter from William Benjamin Carpenter, on a paper 'On the anatomy and physiology of the spongiadae' by John Stuart Bowerbank to the author He has seen a revised edition of the paper but still raises various objections to it. Suggests another referee be appointed and that the two of them go over the paper to suggest modifications which will be required for publication. Subject: Physiology [Published in the Proceedings of the Royal Society, 1857] 4 February 1858