Vol 3, No 2 (1991)

July 1991

Table of Contents

Articles

engineered bacillus thuringiensis var-israelensis (bti) for the biological control of mosquito-a review PDF
H. G. Nandadasa
A Preliminary investigation on the handline fishery in the west coast of Sri Lanka PDF
P. DAYARATNE, c. AMARASIRI
Preliminary observations on the purse seine fishery in the South-west coast of Sri Lanka PDF
PAULINE DAYARATNE
Hypotensive activity of crude extract of marine red alagae, Gracilaria SP. in rats PDF
W. D. RATNASOORIYA,, G. A. S. PREMAKUMARA, L. M. V. TILLEKERATNE
Effect of methanolic extract of abrus precatorius seeds on fertility of female rats PDF
W. D. RATNASOORIYA, A. S. AMARASEKERA, U. V. D. S. ANANDA
Interrelationships among genera of cyprinidae (teleostei) as indicated by the caudal skeleton PDF
A. B. KOTALAWALA, J. JINADASA
Food and feeding habits of the mud crab, scylla serrata forskal inhabiting the Negombo lagoon in the west coast of Sri Lanka PDF
S. C. JAYAMANNE, J. JINADASA
Marsh vegetation of Muthurajawela PDF
TISSA R. HERAT
The species composition, abundance and the distribution of seagrass communities in Puttalam lagoon PDF
P. M. A. JAYASURIYA
The distribution and the species composition of the existing mangrove vegetation around Chilaw lagoon PDF
P. M. A. JAYASURIYA
An Investigation into the effect of monocultural plantation of eucalyptus camaldulensis on soil fertility status PDF
D. M. S. H. K. Ranasinghe, A. W. A. Jayasuriya
A Mathematical model of drug therapy PDF
P. W. EPASINGHE