From the Ginger Originals web site, where pattern can be purchased by mail order:

Two marine motif designs with instructions for both children and adult sizes.

From the leaflet, marked pat. #3, containing “Thar She Blows” (whale motif for women or children) and “Porpoise Parade” (porpoise/dolphin motif for women or children):

These special sweaters are easy to knit in sport weight yarn. They feature simple construction, crew necks, and winning patterns suited to cool summer evenings or bright winter days.