Study of two black-rumped guevel deer (illustrated); Study of a yellow-footed rock kangaroo; Study of a rat kangaroo; Study of a flying squirrel; Study of tree squirrels; Study of a red macaco lemur; and Study of tree rats

French School, mid-19th Century Study of two black-rumped guevel deer (illustrated); Study of a yellow-footed rock kangaroo; Study of a rat kangaroo; Study of a flying squirrel; Study of tree squirrels; Study of a red macaco lemur; and Study of tree rats all dated '1849' or '1850' (lower right) and inscribed with Latin nomenclature (lower centre) pencil, pen and black ink and watercolour, on paper, unframed 12 1/8 x 17 7/8 in. (30.8 x 45.3 cm.); and An unframed study of a manatee on the Ucayala River, Peru, by Lieutenant William Smyth (8)