Description: English: Plate: Papilio IV Papilio slateri. Fig. 9. Accepted as Papilio slateri Hewitson, 1859. Papilio encelades. Fig. 10. Accepted as Graphium encelades (Boisduval, 1836). Papilio deucalion. Fig. 11. Accepted as Graphium deucalion (Boisduval, 1836). Date: 1859. Source: Illustrations of new species of exotic butterflies: selected chiefly from the collections of W. Wilson Saunders and William C. Hewitson. Volume I. John van Voorst, London. Internet Archive[1]. Accepted names from Markku Savela[2]. Author: William Chapman Hewitson (1806–1878) . . Alternative names: Hewitson; W. C. Hewitson. Description: British naturalist and illustrator. Date of birth/death: 9 January 1806 28 May 1878 . Location of birth: Newcastle-upon-Tyne. Authority control: : Q2380448VIAF: 32757304ISNI: 0000 0000 8217 9657LCCN: n84171604Open Library: OL2075012AOxford Dict.: 13148GND: 116785330SUDOC: 078630630Koninklijke: 070552517WorldCat. creator QS:P170,Q2380448.