Ritter, W. E. (1909). Halocynthia johnsoni n.sp. A comprehensive inquiry as to the extent of law and order that prevails in a single animal species. Univ. Calif. Publ. Zool. 6: 65-114.
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Ritter, W. E.
1909
Halocynthia johnsoni n.sp. A comprehensive inquiry as to the extent of law and order that prevails in a single animal species