Scope and Content From the Sub-Series: The Foundation photographs in this subseries primarily depict expeditions conducted by Capt. Hancock aboard the Velero III in the 1930s; images of scientific data gathering aboard the Velero IV; and specimen photographs. Many of the images exist in both negative and print formats, and there is duplication in the prints. In addition to mounted Foundation photographs with captions and other identification information [boxes 230-238], there are also smaller format photographs [generally with...