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1910. ScHEPOTiEFF. Neuc ArbeitcH ii. niedere Insekten, in: Zool. Centrlb., 



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 1898. ScHERBAKOW. Eiiiige Bemerkungen ii. Apterygogenea, etc., in: Zool. 



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1898. ScHERBAKOw. Materials for the study of the Apterygogenea-iauna of 



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1899. ScHERBAKOW. Z. Collembolen-Fauna Spitzbergens, in: Zool. Anz., 22, 



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1899. ScHERBAKOw. Collembola (Russian), Kief, 6 pp. i PI. 



1891. ScHOETT. Nya nordiska Collembola, in: Ent. Tidsk, 12, pp. 191-192, 

 2 figs. 



1891. ScHOETT. Beitr. z.^ K. Kalifornischer Collembola, in: Bih. Svensk. 

 Vet. Akad. Handl. XVII, Afd. 4, Nr. 8, 25 pp., PI. 



1 893-1 894. ScHOETT. Z. Systematik u. Verbreitung palaearctischer Collem- 

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1893— 1894. ScHOETT. Beitr. z. K. der Insekten-Fauna von Kamerun, I Col- 

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1894. ScHOETT. Lipuriden fran Florida, in: Ent. Tidsk. Arg. 15, pp. 128- 

 1896. ScHOETT. Collembola pa Snoe och is, in: Ent. Tidsk. Arg. 17, pp. 



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 1896. ScHOETT. North American Apterygogenea, in: Proc. Calif. Acad. Sci., 

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1902. ScHOETT. Etude sur les Collemboles du Nord, in : Bih. Svensk. Vet. 



Akad. Handl., 28, Afd. 4, Nr. 2. 

 1886. ScuDDER. Description of an Articulate of Doubtful Relationship from 



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 1890. ScuDDER. Fossil Insects of N. America, N. Y., 1890 (see page 94- ). 



1903. Seaton. The Compound Eyes of Machilis, in: Am, Nat., 37, pp. 319- 



329, PI. 



1895. Sharp. Aptera, in: Cambr. Nat. Hist., Peripatus Myriapods & Insects, 



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 1901-1902. SiLVESTRi. Materiali per lo Studio dei Tisanuri, in: Bull. Soc. 



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 1903. SiLVESTRi. Descrizione di un nuovo genre di Projapygidae, Portici, 



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 1905. SiLVESTRi. Thysanura Chilensia, in: Zool. Jahrb. Suppl. 6, Bd. 3, pp. 



773-806, 7 Pis. 

 1905. SiLVESTRi. ij. d. Projapygiden u. einige Japyx Arten, in: Zool. Anz., 



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 1905. SiLVESTRi. Nuova Contrib. alia Conoscenza dell' Anajapyx vesicolus, 



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 1907. SiLVESTRi. Catalogue des Machilidae de la Collection du Museum 



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