Annals of the South African Museum, Volume 16The Museum, 1933 - Natural history |
From inside the book
Results 1-3 of 40
Page 493
... Gonidium , mature . 366-926 μ × 387-1077 75 × 90 μ 366 × 451 μ 28-44 μ μ Gonidium in inverting embryo . 9-16 μ Somatic cell Somatic protoplast . No. of cells · · 16-20 μ · 5-7 μ 3000-7000 Found in Pool II only ; rare , associated with V ...
... Gonidium , mature . 366-926 μ × 387-1077 75 × 90 μ 366 × 451 μ 28-44 μ μ Gonidium in inverting embryo . 9-16 μ Somatic cell Somatic protoplast . No. of cells · · 16-20 μ · 5-7 μ 3000-7000 Found in Pool II only ; rare , associated with V ...
Page 566
... gonidium continues to enlarge , and during this second phase of enlargement the cilia are lost , the gonidium sinks inwards , and the shape alters considerably . In side view it is very broad in proportion to its polar diameter , with a ...
... gonidium continues to enlarge , and during this second phase of enlargement the cilia are lost , the gonidium sinks inwards , and the shape alters considerably . In side view it is very broad in proportion to its polar diameter , with a ...
Page 567
the gonidium as really equivalent to two if not more somatic cells ( Plate XXXVIII , G ) . The cell membrane of the gonidium has meanwhile enlarged considerably , forming a large delicate vesicle projecting far into the interior of the ...
the gonidium as really equivalent to two if not more somatic cells ( Plate XXXVIII , G ) . The cell membrane of the gonidium has meanwhile enlarged considerably , forming a large delicate vesicle projecting far into the interior of the ...
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