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13(). Planktou-resoarches ill 1901 and 1902. Haiuli. 36 N:o ,s. 



137. Report oii plankton, collected by Mr T. Wulff during a 

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 Ark. f. Zool. 1 X:o 



13<s. I tören, med <). Petterssux: Hydrograpliie-biological 

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139. On the plankton froni the swedish coast-stations Måseskär 

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14(1. Report on the plankton of the Baltie current, collected 

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141. The plankton of the South-african seas : III Halocypri- 

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PopaUir-rdenskapllga skrifter. 



Naturforskningens resultat och mal. Ny sv. tidskrift 1880. 

 Charles Darwins verk och bety«]else för naturforskningen. Ny 



sv. tidskrift 1882. 

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20 1896. 



H. Euler. 



