Memoirs of the Manchester Literary and Philosophical Society, Volume 72Manchester Literary and Philosophical Society., 1928 |
From inside the book
Results 1-5 of 15
Page 53
... genera , found no clear means of discriminating between them . The difficulties arose mainly from the variability of the relatively simple internal structures in all natural groups , and the resulting impracticability of precise ...
... genera , found no clear means of discriminating between them . The difficulties arose mainly from the variability of the relatively simple internal structures in all natural groups , and the resulting impracticability of precise ...
Page 54
... genera as with the means by which discrimination is rendered possible . GENERAL DESCRIPTIONS OF GENERA AND SPECIES REFERRED TO IN THIS PAPER . ( 1 ) Dalmanellida . The Dalmanellida discussed in this paper are referred to three main genera ...
... genera as with the means by which discrimination is rendered possible . GENERAL DESCRIPTIONS OF GENERA AND SPECIES REFERRED TO IN THIS PAPER . ( 1 ) Dalmanellida . The Dalmanellida discussed in this paper are referred to three main genera ...
Page 83
... GENERA . We shall now consider the methods by which genera may be discriminated , selecting for illustration the Dalmanellida mentioned in this paper . The reader is again referred to the table of numerical data . A scrutiny of the data ...
... GENERA . We shall now consider the methods by which genera may be discriminated , selecting for illustration the Dalmanellida mentioned in this paper . The reader is again referred to the table of numerical data . A scrutiny of the data ...
Page 84
... genera such as Harknessella and Resserella , a statement of characteristic relations will almost certainly suffice for discrimination , but in such cases generic distinctions may be based on more general characters which , as far as the ...
... genera such as Harknessella and Resserella , a statement of characteristic relations will almost certainly suffice for discrimination , but in such cases generic distinctions may be based on more general characters which , as far as the ...
Page 85
... genera , or to such groups of genera as embrace our genus . Irrespective , therefore , of any visually observed form - linkage permitting of identification with a known facies , but granted a correct correlation of elements as between ...
... genera , or to such groups of genera as embrace our genus . Irrespective , therefore , of any visually observed form - linkage permitting of identification with a known facies , but granted a correct correlation of elements as between ...
Other editions - View all
Common terms and phrases
Acton Scott adductor africanum alloys atoms augite biotite cell charged particles chromatophore coenobia coenobium coenocytes compound convex crural pits crural plates crystals curve D.Sc Dalmanellida density divaricator Donegal dorsal valve effect electrons emission energy Exterior felspar field gametes genera genus granite Harknessella Harnage heat Heterorthis Horderley hornblende hysteretic intensity interior Internal mould ions kloedeni large number lateral folds lobes M.Sc Manchester mass median Memoirs mesial mould of dorsal mould of ventral mudstone muscle area nuclei observed obtained occurs Onniella Ordinary Meeting origin Ostracods oxygen phase plasticine platinum positions posterior primary Professor W. L. BRAGG pyrenoids radiation ratio relations Resserella reticulatum rib-system ribs ridge River Onny rocks Rosguill scars scattering schist Sciences sectors shell significant sinus Société Society solid solution species specimens stage stars structure sub-atomic swarm-spores temperature valve plasticine cast ventral valve Wattsella wattsi wire xenoliths