On the occasional presence of a mouth and anus in the Actinozoa /
Wilson, Henry V.
On the occasional presence of a mouth and anus in the Actinozoa / by Henry V. Wilson - Baltimore, Md. : Johns Hopkins University, 1889 - 37-38 p. ; 29 cm - The Johns Hopkins University Circulars ; 8, n.70 .
On the occasional presence of a mouth and anus in the Actinozoa / by Henry V. Wilson - Baltimore, Md. : Johns Hopkins University, 1889 - 37-38 p. ; 29 cm - The Johns Hopkins University Circulars ; 8, n.70 .