Nature, Volume 52Sir Norman Lockyer Macmillan Journals Limited, 1895 |
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... plants are adapted for direct fertilisation , and others for crossed fertilisation . According to this theory , entomophilous plants have to make certain sacrifices in order to attract visitors in the shape of the substances : eeded in ...
... plants are adapted for direct fertilisation , and others for crossed fertilisation . According to this theory , entomophilous plants have to make certain sacrifices in order to attract visitors in the shape of the substances : eeded in ...
Página 6
... plants ; and sometimes the seeds of pulpy fruits germinate in the fruit . There is also a class of plants in which vivipary is normal . Prominent in this class are the mangroves ( Rhizophorea , & c . ) of muddy sea - shores in the ...
... plants ; and sometimes the seeds of pulpy fruits germinate in the fruit . There is also a class of plants in which vivipary is normal . Prominent in this class are the mangroves ( Rhizophorea , & c . ) of muddy sea - shores in the ...
Página 57
... plant types , the value of fossil plants in com- parative stratigraphy , and as tests of climatic conditions ; or our attention may be concentrated on the important facts revealed by a microscopic study of petrified plant tissues . The ...
... plant types , the value of fossil plants in com- parative stratigraphy , and as tests of climatic conditions ; or our attention may be concentrated on the important facts revealed by a microscopic study of petrified plant tissues . The ...
Índice
Piano Touch the Graphics of 597 Purnell C W True Instincts of Animals 383 | 25 |
Hymenopterous Insect an Aquatic Fred Enock 105 Iron and Steel Thomas Turner W Gowland 613 Steel | 26 |
Engel R Action of Hydrochloric Acid on Copper 656 F R S 411 Consciousness and Evolution Prof Mark | 30 |
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acid alternating current aluminium animals appears argon atmosphere atomic atomic weight body British carbon chemical chemistry chromospheric Cineraria cleveite College colour condensation connection contains Cretaceous Crustacea curve described electric engine evidence exhibited experiments fact fauna formation fossil galvanometer gases geological give given heat helium hydrogen hydrogen lines illustrated important interesting investigation iron laboratory light lines London magnesium magnetic matter means measure ment metals meteoritic Meteorological method motion Museum nature nebula nitrogen observations Observatory obtained origin oxide oxygen paper phenomena photographs physical plants plates position present President pressure produced Prof published quantity recent reference remarkable rocks rotation Royal Society scientific Sir John Lubbock species specimens spectra spectroscope spectrum stars surface temperature theory tion trilobites tube University uraninite variable stars velocity volume