Referee's report by Thomas Renton Elliott, on a paper 'The chromaffine system of annelids and the relation of this system to the contractile vascular system in the leech, hirudo medicinalis. - A contribution to the comparative physiology of the contractile vascular system and its regulators, the adrenalin secreting system and the sympathetic nervous system' by J F Gaskell Sectional Committee: Physiology Recommended for publication in the 'Philosophical Transactions of the Royal Society'. If a zoological referee decides that the detailed anatomy is already known, then will support their opinion, as the subject of anatomy is outside their knowledge. Suggests sections of the paper which can be omitted. [Published in the Philosophical Transactions of the Royal Society, 1914] Endorsed on verso as received 11 February 1914. 9 February 1914