logo
    Abstract:
    An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
    Keywords:
    Content (measure theory)
    The cover caption in the issue of 17 September (p. 1499) did not make it sufficiently clear that the cover art was not multiple segments of a Drosophila embryo, but rather a single segment reiterated by computer for artistic purposes.