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neapolis, Minn., (Ser. 3), Pt. 1, 1903, 

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[Trinacria] [Diatomaceae]. PAyiocsEK, 

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[Triploceras] [Desmidiaceae]. CrsH- 

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[Tropidoneis] [Diatomaceae]. JpRGEX- 

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[Truania n. gen.] [Diatomaceae]. Pax- 

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[Tschestnowia n. gen.] [Diatomaceae]. 

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[Turbinaxia] [Fncaceae]. Yexdo, K. 

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[Udotea] [Codiaceae]. Howe, M. A. 

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Ulothricliaceae r. BumiUeria, Con- 

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[Ulotlrrix] [Ulothrichaceae]. Joxssox, 

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1904, fl-73). 

 Ulvaceae v. Monostroma. 



Valoniaceae v. Boodlea, Dictyo- 

 sjDbaeria, Petrosiphon, Siphonocladus. 



[Van Heurckella n. gen.] [Diato- 

 maceae]. Paxtocsek, J. Fossile 

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Volvocaceae v. Chlamydomonas, 

 Duiiatiella, Stephauosphaera, Volvox. 



[Volvox] [Volvocaceae]. Dixox, H. H. 

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Zacharias, 0. Biol. 



Centralbl., Leipzig, 25, 1905, (95-96). 



[Wittia n. gen.] [Diatomaceae]. Pax- 

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[XantMdium] [Desmidiaceae]. Cc^h- 

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. Schmidt, M. Algenflora 



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West, W. and West, 



G. S. Edinburgh, Trans. Bot. Soc, 23, 

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7400 



[XantMopyxis] [Diatomaceae]. Pax- 

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[Zooclilorella] [Pleurococcaceae]. 



Keeble, F. and Gamble, F. W. London, 

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[Zotheca n. gen.] [Diatomaceae]. 

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[Zygnema] [Zygnemaceae]. Ger.vs- 

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Zygnemaceae v. Spirogyra, Zygneraa. 



[Zygoceros ?] [Diatomaceae]. P.\xto- 

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SCHIZOPHYCEAE. 



Special. 



[Anabaena] [Nostocaceae]. Bach- 

 MAXX, H. Berlin, Ber. D. bot. Ges., 23, 

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• Lemmermaxx, E. Bre- 

 men, Abb. natw. Ver., 18, 1905, (143- 

 174). 



Lemmermax~s", E. Plon, 



ForschBer. biol. Stat., 12. 1905, (145- 

 153). 



[Aulosira] [Nostocaceae]. Lemmer- 

 MAXX, E. Bot. Jahrb., Leipzig, 34, 1905, 

 (607-663). 



[Ceratium] [Peridiniaceae]. Exiz, G., 

 jun. Math.-natw. Ber. Ungarn, Leipzig, 

 20(1902), 1905, (96-144). 



Grax, H. H. Rev. 



Norw. Marine Investig., Kristiania, 11, 

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ZACHARIJiS, 0. Biol. 



Centralbl., Leipzig, 25, 1905, (20-30, 

 96); Plon, ForschBer. biol. Stat., 12, 

 1905, (316-330); Zool. Anz., Leipzig, 

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Cbamaesiphonaceae v. Xenococcus. 



Chroococcaceae v. Clathrocystis, 



C'yanococcus, ( iloeocapsa. 



[Clathrocystis] [Chroococcaceae]. 



Lem.mehmann, ]■;. Bremen, Abh. natw. 

 Ver., 18, 1905, (143-174). 



[Cyanococcus n. gen.] [Chroococca- 

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