The Foraminifera: An Introduction to the Study of the ProtozoaLongmans, Green and Company, 1902 - 354 páginas |
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Página 29
... chambers of this form ( B ) are not divided into small chamberlets , but consist of large chambers as high as the disc is thick . These brood - chambers , as they are called , contain the young forms , which in all cases are ...
... chambers of this form ( B ) are not divided into small chamberlets , but consist of large chambers as high as the disc is thick . These brood - chambers , as they are called , contain the young forms , which in all cases are ...
Página 45
... chambers of later growth . Sometimes the coiling of the shell is rapid , and then there are few chambers to each turn ... chamberlets . There are many other fundamental forms - for instance where the axis has , so to speak , been twisted ...
... chambers of later growth . Sometimes the coiling of the shell is rapid , and then there are few chambers to each turn ... chamberlets . There are many other fundamental forms - for instance where the axis has , so to speak , been twisted ...
Página 78
... chambers by showing a tendency towards that plan of growth in the last formed portion of the adult shell . tu . Peteris passes into Olenina by the sub- division of its chambers into chamberlets by means of vertical partitions connecting ...
... chambers by showing a tendency towards that plan of growth in the last formed portion of the adult shell . tu . Peteris passes into Olenina by the sub- division of its chambers into chamberlets by means of vertical partitions connecting ...
Página 79
... chamberlets arranged not in flat annuli , but in a sphæro - concentric manner . Sub - family 1 . NUBECULARIINÆ . This group is distinguished by the irregular a- symmetrical form of the test , which is free or , perhaps more often ...
... chamberlets arranged not in flat annuli , but in a sphæro - concentric manner . Sub - family 1 . NUBECULARIINÆ . This group is distinguished by the irregular a- symmetrical form of the test , which is free or , perhaps more often ...
Página 85
... chambers are arranged in one plane , as in Biloculina , but the chamber cavities are subdivided or partitioned off into chamberlets and labyrinthulæ by shell projections and partitions , which results in the sarcode having to occupy ...
... chambers are arranged in one plane , as in Biloculina , but the chamber cavities are subdivided or partitioned off into chamberlets and labyrinthulæ by shell projections and partitions , which results in the sarcode having to occupy ...
Otras ediciones - Ver todas
The Foraminifera: An Introduction to the Study of the Protozoa Frederick Chapman Vista completa - 1902 |
The Foraminifera: An Introduction to the Study of the Protozoa Frederick Chapman Sin vista previa disponible - 2015 |
The Foraminifera: An Introduction to the Study of the Protozoa (Classic Reprint) Frederick Chapman Sin vista previa disponible - 2015 |
Términos y frases comunes
abundance adherent Alveolina Ammodiscus aperture Aptian arenaceous arranged balsam beds Brady calcareous Canada balsam Carboniferous Chalk chamberlets chambers chitinous Clay complanate coral Cretaceous to Recent Cristellaria Crown 8vo Cycloclypeus D'Orbigny D'Orbigny sp deposits depths dimorphism dredgings Eocene example EXAMPLE.-C fathoms Forami Foraminifera foraminiferal fauna fossil Funafuti Fusulina Gault genera genus Geol glauconitic Globigerina ooze Goës Greensand Gromia growth Haplophragmium hyaline Illustrations Journ Jurassic Lagena limestone London Clay Lower Cretaceous Mém Micr Miliolina Miocene nautiloid Nodosaria Nubecularia Nummulites Oligocene Orbitoides Orbitolites Parker and Jones pelagic perforate Plate 12 Plate 9 Pliocene porcellanous pseudopodia Reuss Rotalia sand sarcode segments septal face septate shallow water shell-structure shell-wall Sitzungsb sometimes species specimens spicules spiral stolon strata structure Sub-family surface Tertiary Textularia thin tion triserial tube types Upper usually whilst whorl Wien Wiss
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