446 Dr. J. Hjort. Observations on the Distribution of 



10 15 20 25 30 35 



Fig. 7. — Fresh prawns ad lib. 



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 40 



Fig. 8. — Four drops of oil from roe of herrings. 



10 



15 20 25 30 35 40 45 50 55 60 65 

 Fig. 9. — Fresh cod roe ad lib. 



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 Fig. 10. — Fresh cod roe, 2 grm. per day. 



