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1881. GouRRET, p. — "Considerations sur la faune pelagique du Golfe du 



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1881. "Lacavite du corps et les organes sexuels de la Spadella," 



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1892. Strodtmann, S. — "Die Systematik die Cliajtognathen und die Ver- 

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1895. Bekaneck, E. — "Les Clietognaths de la Baie d'Amboine," 'Rev.' 

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1895. CoNAUT, F. S. — "Description of two new Cbaetognaths (Spadella 



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1896. AuRiviLLius, C. — " Das Plankton der Baffins Bay und Davis Strait," 



' Festskrift for Liljeborg,' p. 188. 



1896. CoNANT, F. S. — "Notes on the Cbaetognaths," 'Johns Hopkins Univ. 



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 1896. Fowler, G. H.—" On the Plankton of the Faeroe Channel," 'Proc. 



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1896. Steinhaus, 0. — "Die Verbreitung der Chsetognatheu im siidatlan- 



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1897. AiDA, T. — " Chsetognaths of Misaki Harbour," 'Annot. Zool. Japon,' 



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