Includes references.

Vol. 33 -- Mesospora negrosensis sp. nov. (Phaeophyta) from the Philippines / John A. West and H.P. Calumpong -- Salt tolerance and growth of Bostrychia pinnata and B. calliptera in laboratory culture Ceramiales, Rhodophyta) / Ulf Karsten and John A. West -- Quantitative studies on the ecology of Ochrosia oppositifolia (Lam.) K. Schum. (Apocynaceae) / Inocencio E. Buot, Jr. and Norma O. Aguilar -- Roadside herbaceous vegetation as possible sink for atmospheric particulate matter / Inocencio E. Buot, Jr. and A. Misawa -- Antimicrobial activity of the crude extract of Dioscorea hispida Schlussel (Dioscoreaceae) / Nanette P. Cuyos and Alexie B. Banaag -- Preliminary study on the inhibitory activity of Dioscorea hispida Schlussel (Dioscoreaceae) extract on Papilio xuthus L. (Lepidoptera: Papilionidae) / Alexie B. Banaag --Feeding deterrent activity of alkaloids from yam Dioscorea hispida Schlussel (Dioscoreaceae) on larvae of diamondback moth Plutella xylostella (Lepidoptera: Yponomeutidae) / Alexie B. Banaag -- Some shallow-water hermit crabs of the genus Clibanarius Dana (Decapoda: Paguridea: Diogenidae) from the east coast of Cebu, with notes on their color and ecology / Paul Cassidy and Patsy A. McLaughlin -- Ciliated urns in Archaster typicus Müller and Troschel 1840 (Echinodermata, Asteroidea, Archasteridae): present and future research / Hans Heinrich Janssen and Didier VandenSpiegel -- Screening for Aedes mosquito larvicidal activity of two local plant extracts / Frances E. Edillo, G. Largo Jr., and C.G. Plateros -- The use of algae in ecotoxicological testing: A review / Ruben F. Amparado, Jr. and Guido Persoone

English.