A drawing of a view through a series of rooms with women working. On the left two women examine silkworms on the branches of mulberry trees; in the centre two women examine cocoons; on the right another woman examines drying mulberry leaves on racks. In the background room women are drying linen on lines. This is a preparatory drawing for plate 4 of the series entitled, Vermis Sericus. RCIN 904755, 904763-904766 are finished preparatory drawings for five of the six engravings in reverse, entitled Vermis Sericus. This is a history of the silkworm and silk-spinning, by Karel de Malle, published by Philip Galle, without date or place, and dedicated to Constantia Alamannia, wife of Raffaello de 'Medici in Florence.