The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts, 11. köideA. and C. Black, 1860 |
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Page 14
... instances of proembryonic forms . § 8. Continued Pullulation in the same stage . The regularity in the alternation of free zooids with true embryos is frequently obscured in nature by the intervention . of a process of pullulation , or ...
... instances of proembryonic forms . § 8. Continued Pullulation in the same stage . The regularity in the alternation of free zooids with true embryos is frequently obscured in nature by the intervention . of a process of pullulation , or ...
Page 15
... instances there is formed first a cel- lular germ - mass , from one point of which there is subsequently developed a new axis of embryonic growth . The embryo , in short , may be said to be budded off from the primordial germ - mass ...
... instances there is formed first a cel- lular germ - mass , from one point of which there is subsequently developed a new axis of embryonic growth . The embryo , in short , may be said to be budded off from the primordial germ - mass ...
Page 19
... of it . The first set of teeth , for instance , are formed , each in its own capsule , by a process of local growth , quite independent of that of the neighbouring tissues , nay , in B 2 Genetic Cycle in Organic Nature . 19.
... of it . The first set of teeth , for instance , are formed , each in its own capsule , by a process of local growth , quite independent of that of the neighbouring tissues , nay , in B 2 Genetic Cycle in Organic Nature . 19.
Page 20
... instance , in the peculiarly modified tentacle of the Argonauta , which , when filled with spermatic fluid , is detached from the body , and finds its way spontaneously to the female , for the purpose of impregnation . 4. In the ...
... instance , in the peculiarly modified tentacle of the Argonauta , which , when filled with spermatic fluid , is detached from the body , and finds its way spontaneously to the female , for the purpose of impregnation . 4. In the ...
Page 27
... instance of the facility with which even men . of science give credence to what is rare and wonderful , rather than to what is probable - I mean the assertion that cats , car- ried to the elevation of 13,000 feet , invariably sink ...
... instance of the facility with which even men . of science give credence to what is rare and wonderful , rather than to what is probable - I mean the assertion that cats , car- ried to the elevation of 13,000 feet , invariably sink ...
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acid ancient animals appearance arch Archegosaurus bones botany Bowfell caloric carbon carbonic acid caves cent Cestoidea character colour combustion contains distinct district draught Eastern Echinodermata Edinburgh effect embryogeny Europe exhibited existence fact feet flora formation fossils fuel gamomorphic gemmæ gemmation genera genus give glacial glaciers gneiss goitre Haurân hills hydrogen insects instance lake larvæ latter Lejah less light loss luminous mean temperature miles moraine mountains nature nearly Nitrogen North America observations occur organs origin orthomorphic ovum peculiar period phenomena plants portion present probably produced Professor protomorphic referred region remarkable resemblance roches moutonnées rock seen self-registering sepals SERIES.-VOL side Silurian similar skull Society species specific gravity specific heat specimens streamers structure surface Table tarn Taxodium thermometer tion trees Trematoda valley vegetable vertebræ weight Wellingtonia western whole zooids