Volume 7.1984. 48 photographic plates. 7 figs. 200 p. gr8vo. Bound.

Second-hand copy. -Contents:Stosch,H.A.von & R.Simonsen,Biddulphiopsis, a New Genus of the Biddulphiaceae.With 10 Plates. Theriot,E.& E.Stoermer,Principal Component Analysis of Stephanodiscus:Observations on Two New Species from the Stephanodiscus niagarae Complex.With 4 plates and 7 text figs.Hendey,N.I.& P.A.Sims,some New or Unusual Eocene Biddulphioid Diatoms With 8 plates. Schoeman,F.R.& R.E.M.Archibald,Amphora castellata Giffenas observed with the Light and Electron Microscopes.With 10 plates.Rushforth,S.R.,I.Kaczmaska & J.R.Johansen,The Subaerial Diatom Flora of Thurston Lava Tube,Hawaii.With 5 plates. Hakansson,H.& E.F.Stoermer,An Investigation of the Morphology of Stephanodiscus alpinus Hust.With 4 plates. Archibald,R.E.M.,Diatom Illustrations-an Appeal. Giffen,M.H.,AChecklist of Marine Littoral Diatoms from Namaqualand,South Africa.With2 plates.