Treadwell, Aaron L. (1931). New species of polychaetous annelids from California, Mexico, Porto Rico, and Jamaica. American Museum Novitates. 482: 1-7.
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Treadwell, Aaron L.
1931
New species of polychaetous annelids from California, Mexico, Porto Rico, and Jamaica.
World Polychaeta Database (WPolyDb). Publication date: "Aug. 4, 1931"
Available for editors
[None] There is no introduction, as if the article is a continuation of an earlier one. Treadwell does not say, but it might continue Novitates 392 of 1929, which had a different but related title.