Annals of the South African Museum, Volume 16The Museum, 1933 - Natural history |
From inside the book
Results 1-3 of 21
Page 440
... measured ( these measurements were all made free on the slide , not under the pressure of a cover slip ) . The smallest free colony measured was 182 x 194 μ , but daughters in situ with a diameter of 243 μ were seen ; the largest number ...
... measured ( these measurements were all made free on the slide , not under the pressure of a cover slip ) . The smallest free colony measured was 182 x 194 μ , but daughters in situ with a diameter of 243 μ were seen ; the largest number ...
Page 584
... measured 182 × 204 μ , while the largest seen in situ was 630 × 672 μ . This was , however , exceptional , although daughters over 500 μ in dia- meter ( e.g. 525 × 567 μ ) are not uncommon at times . The average in vigorous normal ...
... measured 182 × 204 μ , while the largest seen in situ was 630 × 672 μ . This was , however , exceptional , although daughters over 500 μ in dia- meter ( e.g. 525 × 567 μ ) are not uncommon at times . The average in vigorous normal ...
Page 585
... measured 164 x 164 μ before inversion , 125 × 133 μ immediately after inversion . Yet another , 125 × 121 μ in the dent- ing stage , measured 116 × 125 μ on completion of inversion . B. Male Initial Cell , or Antheridium Mother - cell ...
... measured 164 x 164 μ before inversion , 125 × 133 μ immediately after inversion . Yet another , 125 × 121 μ in the dent- ing stage , measured 116 × 125 μ on completion of inversion . B. Male Initial Cell , or Antheridium Mother - cell ...
Contents
Observations on the Genus Volvox in Africa By FLORENCE RICH | 429 |
Introduction | 439 |
Volvox Rousseletii G S West | 450 |
12 other sections not shown
Other editions - View all
Common terms and phrases
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