The crags which he flung at Britannia did indeed graze the stern and graze the prow of her craft.
She is represented in works of art, often together with Ceres, with a cornucopia (horn of plenty) in her arm, and a ship's prow in the background, indicating the transport of grain over the sea.
She frequently occurs on coins of the empire, standing between a modius (corn-measure) and the prow of a galley, with ears of corn in one hand and a cornucopia in the other; sometimes she holds a rudder or an anchor.
He is generally naked; his right leg rests on a rock or the prow of a ship; he carries a trident in his hand, and is gazing in front of him, apparently out to sea; sometimes he is standing on the water, swinging his trident, or riding in his chariot over the waves, accompanied by his wife Amphitrite, the Nereids and other inhabitants of the sea.
Prow and stern rose high; and the former was carved most often into the likeness of a snake's or dragon's head: so generally that " dragon " or " worm " (snake) became synonymous with a war-ship. The warriors were well armed.