Annandale, N. 1907. XIV-The Fauna of Brackish Ponds at Port Canning, Lower Bengal--PART VI-Observations on the Polyzoa, with Further Notes on the Ponds. Records of the Zoological Survey of India. 1, 3 (Sep. 1907), 0197–0205. DOI:https://doi.org/10.26515/rzsi/v1/i3/1907/163391.