Bibliotheca Pliycologica. xciii 



NORDSTEDT 0. et WiTTROCK V. B. — * Desmidiepe et CEiiogoniei« ab 0. Norclstedt ia 



Italia et Tyrolia collectse. (CEfvers. af Iv. Vet. Acad. Forhandl. 187G, n. 36, 



m. 2 Taf.). 

 NoRDSTEDT 0. und Wahlstedt — Uebev Keimung der Characeen. (Flora 1875, u. 6, 



pag. 94). 

 NoRMAN G. -- On Rhizosolenia. (Ann. and Magaz. of Nat. Hist. vol. XX, ser. II, 1858, 



pag. 158). 



— List of Diatomaceao occurring iu the Neiglibourhood llull. (Trans.Soc. vol. VIII, 



1860, p, 71-156). 



— On some undescribed species of Diatomacese. (Trans. Micr. Soc. vol. IX, 1861, 



p. 5, plate II). 

 NoTARis G. (De). — Cinque nuove specie di Alghe del mare Ligustico. (Atti d. Congr. 

 Sc. ital. in Milano 1844, p. 529-530). 



— Cenni sulla vegetazione di una Conferva uel golfo di Geuova. (Ibid. p. 530-531). 



— Prospetto deila Flora Ligustica. Genova 1846. 



— Elementi per lo studio delle Desmidiacee italiclie, con 9 tavolo. Genova 1867. 



[Cfr. etiam De-Notaris]. 

 NoTARisiA. — Commentarium phycologicum : Rivista trimestrale consacrata allo stu- 



dio delle Alghe. Uedattori G. B. De-Toni e D. Levi-Morenos. Anuate I-IV, 



con tav. e ritratti. Venezia 1886-89. 

 NoTcuTT W. L, — A Handboolc of tlio Microscope and Microscopic Objects. Lon» 



don 1859. 

 NowELL J. — On the Menai straits as a locality for the collection of the Diatoma- 



cese. (Quart. Journ, of micr. Sc. vol. VI, 1858, p. 122). 

 Nylander W. — Notula circa Spermosiram et Nodulariam Algarum genera. (Anu. 



Scienc. Nat. Bot. vol. XV, 1861). 



— De Diatomaccis Fennise fossilibus. Heisingfors 1861. 



Nyman C. Fr. — Acotyledones vasculares et Characea} Europeae. ffirebro Suecise 1883, 



Oeder, Mueller et Vahl. — Icones Algarum Dania; et Norvegias, cum 93 tab. een. 



col. et textu manuscr. HavniBe 1763-1815. 

 Oersted A. S. De — regionibus marinis: Topogr, hist. nat. freti. CErcsund Havniaa 1844. 



— Beretning om en Escursion til Trindelen, eu alluvialdannelse i Odensefjord. 



Kjobenhavn 1842. 



— System der Pilze, Lichenen und Algen (aus dem Diln. von A Grisebach und J. 



Reinke). Leipzig 1873 (Engelmann). 

 0'Hara R. — Motion of Diatoms. (Journal of the R. Micr. Soc. 3 ser., vol. II, 1882, 



p. 837). 

 Okeden F. — On the deep Diatomaceous deposit of the mud at MiUbrd Havcu and 



other localities. (Quart. Journ. of Micr, Sc. vol, III, 1855, p. 26). 



— On a Method of washing and concentrating Diatomaceous Earths and Clays. 



(Ibidem vol. III, 1855, p. 158). 



— Ou the Diatomacea? of South Wales. (Trans. Micr. Soc. vol. VI, 1858, p. 87). 

 Olafsen E. et Povelsen B. — Physisk og oekonomisk Beskrivelse over Island. KjO' 



benhavu 1772. 

 Oliver F. W. — On the oblitcration of the Sievc-tubes in Laminariese. (AnnalsofBo- 

 tany vol. I, n. II, plates VIII-IX). Oxford 1887. 



