On Fish: Natural History as Spiritual materia medica: Calvinist Pastoralism in Pierre Viret’s Instruction Chrestienne (1564) Raphaële Garrod Perspectives on Science, Volume 20, Number 2, Summer 2012, pp. 227-245 (Article) Published by The MIT Press For additional information about this article Access provided by University of Western Australia (17 Sep 2013 04:50 GMT) http://muse.jhu.edu/journals/posc/summary/v020/20.2.garrod.html