Neptune with nereids and tritons: the element water Aqua (title on object) The four elements (series title); Neptunus surrounded by releasing nereids and tritons in a rock party in the water as an allegory on the element water. Print from a series of four; water (one of the four elements); sea thiasos; Neptune's sea retinue; sea-horse; hippocamp; 'hippocampus'; (horse / fish) (mythological hybrid monster); Nereids; daughters or Nereus; sea nymphs; gods of the waters: Neptune and his environment; Abraham van den Hecken; Nederlanden; c. 1620 - 1655; paper; engraving; h 101 mm x w 132 mm