Vol. 3 No. 2 (1991): July 1991

Articles

• engineered bacillus thuringiensis var-israelensis (bti) for the biological control of mosquito-a review

  H. G. Nandadasa

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• A Preliminary investigation on the handline fishery in the west coast of Sri Lanka

  P. DAYARATNE, c. AMARASIRI

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• Preliminary observations on the purse seine fishery in the South-west coast of Sri Lanka

  PAULINE DAYARATNE

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• Hypotensive activity of crude extract of marine red alagae, Gracilaria SP. in rats

  W. D. RATNASOORIYA,, G. A. S. PREMAKUMARA, L. M. V. TILLEKERATNE

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• Effect of methanolic extract of abrus precatorius seeds on fertility of female rats

  W. D. RATNASOORIYA, A. S. AMARASEKERA, U. V. D. S. ANANDA

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• Interrelationships among genera of cyprinidae (teleostei) as indicated by the caudal skeleton

  A. B. KOTALAWALA, J. JINADASA

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• Food and feeding habits of the mud crab, scylla serrata forskal inhabiting the Negombo lagoon in the west coast of Sri Lanka

  S. C. JAYAMANNE, J. JINADASA

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• Marsh vegetation of Muthurajawela

  TISSA R. HERAT

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• The species composition, abundance and the distribution of seagrass communities in Puttalam lagoon

  P. M. A. JAYASURIYA

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• The distribution and the species composition of the existing mangrove vegetation around Chilaw lagoon

  P. M. A. JAYASURIYA

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• An Investigation into the effect of monocultural plantation of eucalyptus camaldulensis on soil fertility status

  D. M. S. H. K. Ranasinghe, A. W. A. Jayasuriya

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• A Mathematical model of drug therapy

  P. W. EPASINGHE

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