B. Effects on Marine Communities
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C. Carcinogenesis . .
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D. Rehabilitation of Oiled Birds
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E. Public Amenity and the Tourist Industry . .
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V. Removal of Spilt Oil..
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B. Dispersal, Sinking and Recovery at Sea . .
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C. Problems in Cleansing Shores
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A. Bacterial Degradation and Other Biological Processes
D. Mode of Action and Toxicity of Solvent-emulsifiers
VI. Conclusions and Prospects . .
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VII. References . . .. . . . .
Scatological Studies of the Bivalvia (Mollusca)
KOHMAN Y. ARAKAWA
I Introduction . .
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11. Material and Techniques . .
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111. Morphology . .
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B. Definition of Pellet-Types . .
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C. Descriptions of Faecal Pellets
A. Classification of Faecal Pellets
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I. Protobranchia (Gastroproteia)
11. Septibranchia (Gastrodeuteia)
111. Gastrotriteia . .
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IV. Gastrotetartika
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V. Gastropempta . . . . ..
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274
280
288
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