In tune with an Enlightenment sensibility that focused on the search for or
der and regularities, monsters were given a marginal position in eighteenth
-century medical works. By contrast, they had an important place at the Roy
al Society during the second half of the century. This article first focuse
s on the general: interest in monsters within the context of the natural hi
storical agenda and corporate activity of the Society and then addresses th
e medical understanding of monsters by members of the Society. Finally, it
discusses some of the moral and social implications of their medicalization
in eighteenth century England.