Paper, 'Some observations on aneurysms in general, and in partial on the foregoing' by F [Frank] Nicholls Nicholls writes about the causes and nature of aneurysms as well as the contemporary debate regarding whether or not an aneurysm was formed by a dilation of the artery or by a rupture of the internal coats of the artery and a distension of the external coat. Subject: Medicine Published in Philosophical Transactions as 'Some observations on aneurysms in general, and in particular, on the fore-going'. Read to the Royal Society on 23 May 1728. [1728]