Adv. mar. Biol., Vol. 9, 1971, pp. 336509.
THE BIOLOGY OF WOOD-BORING
TEREDlNlD MOLLUSCS
N. BALAKRISHNAN NAIR
The Marine Biological Laboratory, University of Kerala,
Trivandrum 7, Kerala, India
and
M . SARASWATHY
Indian Ocean Biological Centre, National Institute of Oceanography,
Cochin, India
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Introduction . . . . . . .. .. ..
The Systematics and Distribution of the Teredinidae
Morphological and Anatomical Studies
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Thesexual Phases . . . . . . . . ..
Fecundity
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Age or Size at Sexual Maturity
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Brecding Season
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Fert.ilization . . . . .. .. . . . .
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Embryology and Larval Development
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A. The Gametes . . .. . . . . .. .. .. ..
B. Development ..
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C. Duration of the Larval Period
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D. Food of the Larvae
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E. Settlement
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The Season of Settlement . . . . .. .. .. .. ..
The Pattern of Vertical Settlement
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Teredinids in Deep Water . . . . .. .. .. .. ..
Growth Rates . . .. . . . . . . . . .. .. ..
Dispersal of Shipworms
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Physiological Studies
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Food and Digestion
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Ecology
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Shipworms
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B. The Effects of Salinity
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C. Occurrence in Fresh Water . . . . . . .. .. ..
D. Illumination
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E. Settlement in Relation to Light and Gravity
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A. The Influence of Temperature on the Activity and Distribution of
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