cxxxii Bibliotheca Phycologica. 



WiLUAMSON W. C. — Ou the organisation of tiie fossil plants of the coal measures. 



(Proceed. R. Soc. of London XXVIII, pas- 445 ot ia Journ. of Botany 1S7S, 



p. m). 

 Wii.nuR C. L. — Separating Desmids, Diatoms and other miuute objects. (The Micro- 



scope VI, 1886, p. 169). 

 WiLLS. — On the Structure and Life-history of Volvox Globator. (Midland Naturalist 



III, p. 209-214). 



— On the movernent of cell plasm of Closterium Lunula. (Ibidem p. 137). 



— Some unsolved problems in the management of the marine aquarium. (The 



Nature vol. XIII, 1876, p. 189). 

 WiLSON P. B. — Diatomacea^ absorbed in thcir entire State by the roots of plants. 



(SiIIiman's Amer. Journ. 1876, May et M. M. J. XVI, p. 92). 

 WiLSON E. T. — Notes on Diatomaceae collected during the Expedition for the Sur- 



vey of Sinai. Folio. 

 WiNKLER C. — Ueber einige fiir die Ostseeprovinzen neue Characeen. (Sitzungsb. d. 



Dorpater Naturf. Gesellsch. IV. Band, II. Heft 1876, p. 259 2GC>). 



— Ueber einige fur die Ostseeproviuzen neue Siisswasseralgen. (Sitzungsb. d. Dor- 



pater Naturf. Ges. 1882, Febr. 17, p. 241-250), 

 WiNTER G. — Ueber ein natiirliches System der Thallophyten. (Hedwigia 1879, n. 1). 

 WiTHERiNG G. — A systematical arraugement of british plants. Birmingam 3. cdit. 



1796, 1812 (5. edit.), London 1818 (6. edit.). 

 WiTT 0. N. — Bericht iiber die Untersuchung zweier Diatomeen-Gemische. (Journ. 



des Museum Godefroy Heft 1, 1873). 



— Untersuchungen iiber Diatomeen-Gemische, ein Beitrag zur Kenntniss der 



Siidsee. (1. c. Heft 1, p. 111, 1873, Hamburg). 



— Ueber die Diatomaceen des Polierschiefers von Archangelsk-Kurojedowa im 



Gouvernement Simbirsk, m. 7 Taf. (Schriften d. russ. Mineral. Gesellsch. St. 

 Petersburg 1885). 



— Removal of Siliceous coverings from fossil Diatoms. (Journ. R. Micr. Soc. II 



ser., VI, p. 880). 

 WiTTRocK V. B. — Ueber Binuclearia, eine neuo Confervaceen-Gattung. (Botanisches 

 Centralblatt 1887, n. 2, 3). 



— Ora Binuclearia ett nytt Confervacee-sUigte, mit 1 Taf. (Sv. Vet. Ak. Bihang 



Band XII, Abth. 11, n. 5). 



— Ueber eine subfossile hauptsiichlich von Algen gebildetc Erdschicht. (Botan. 



Sallskapet i Stockholm in Botan. Centralblatt Band XXI,, 1880). 



— Prodromus Monographi» (Edogoniearum. (Nov. Act. Reg. Soc. Sc. Ups. ser. 



III, vol. IX, 1874, m. Taf.). 



— Anaba^na. (Botaniska Notiser 1882, p. 50-60, mit Abbild.). 



— Ueber das Zusammenloben von Thieren und Algen. (Kongl. Vet. AUad. i Stock- 



holm 1882). 



— On the Algic Flora of the Arctic Seas. (TIjc Nature vol. XXX, 1881, p. 638-640). 



— Ueber Sphacelaria cirrhosa (Roth) Ag. var. tegagropila Ag. (Bot. Ges. zu Sto- 



ckholm, Sitz. am 27. Febr. 1884, Cfr. Centralbl. XVII. Band, 1884, p. 283-284). 



— Fnrstik till cn Monografi dfver AlgsUlgte Monoslroma Thur., med 4 Tab. Sto- 



ckholin 1872. 



