Casal writes: "Thus, on these tasting glasses then so fashionable, we see represented caprids, in particular, with the elongated body and covered with hatching, whose eye is represented by a point in the middle of a large circle, and drawn birds with the same style." (La Civilisation d l'Indus et ses enigmes [The Indus Civilization and its Puzzles] p. 68, 1969).
Image 2: Top portion of Figures Ceramic from Period IV [2900-2400 BCE] (from Casal, Fouilles De Mundigak, Fig. 62, 1961).