Hand-colored engraving of a bottlenose whale: above, a side view, with spouting, labeled "Fig.1."; below, a top view of the head and one fin, labeled "Fig. 2." Below the second figure is printed "Delphinus Tursio." On the right border is printed "Plate XLVI". Artist attributions below the border, bottom margin. To accompany an article on whale anatomy in Philos. Trans. Roy. Soc.