Annals of the South African Museum, Volume 16The Museum, 1933 - Natural history |
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Page 516
... Further Studies in Volvox , " ibid . , vol . xxviii , PRINTZ , H. , 1927 , in Engl . Prantl , Pflanz . Fam . , Aufl . ii , Heft 3 . RABENHORST , L. , 1868. - Flora Europaea Algarum , vol . iii ( Gloeococcus A. Braun , pp . 6 , 36 ) ...
... Further Studies in Volvox , " ibid . , vol . xxviii , PRINTZ , H. , 1927 , in Engl . Prantl , Pflanz . Fam . , Aufl . ii , Heft 3 . RABENHORST , L. , 1868. - Flora Europaea Algarum , vol . iii ( Gloeococcus A. Braun , pp . 6 , 36 ) ...
Page 584
... Further , even if this had not affected it , when a colony of such a size , especially when so loaded with daughters ... further and further apart owing to the gelatinisation of the intervening walls , the protoplasmic connections become ...
... Further , even if this had not affected it , when a colony of such a size , especially when so loaded with daughters ... further and further apart owing to the gelatinisation of the intervening walls , the protoplasmic connections become ...
Page 615
... further . Of the three placed in sunlight , all yielded some Juveniles essen- tially similar to those collected on the Cape Flats , i.e. some at any rate of the oospores germinated completely . In No. 2 no further stages were seen , but ...
... further . Of the three placed in sunlight , all yielded some Juveniles essen- tially similar to those collected on the Cape Flats , i.e. some at any rate of the oospores germinated completely . In No. 2 no further stages were seen , but ...
Contents
Observations on the Genus Volvox in Africa By FLORENCE RICH | 429 |
Introduction | 439 |
Volvox Rousseletii G S West | 450 |
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Africa algae antheridium antheridium mother-cells appear asexual colonies aureus Cape Flats capensis cell-division chloroplast cilia coenobia coenobium collected complete connecting strands containing culture daughter colonies diameter dioecious division elongated embryo embryo colonies endospore enlargement equatorial escape Eudorina eyespot female colonies gelatinous germination globator gonidia gonidium hollow inversion Juveniles Kimberley Kuschakewitsch large number latter Linyanti Linyanti River living material lobes M. A. P. Neill male colonies methylene blue monoecious N'gamo nucleolus nucleus number of cells number of daughter observations occasionally oospheres oospores phase phialopore phytoplankton Plate XVIII pool pore posterior pole protoplasmic connections protoplast pyrenoid reproductive cells Rich and Pocock Rietfontein ripe oospores Rotifers rounded seen sexual colonies Shaw slightly smaller somatic cells species of Volvox sperm bundles sperm globoids spermatozoids spherical spines spore stained surface view usually vacuoles vesicle vleis Volvox africanus Volvox gigas Volvox Rousseletii wall young colony