The Edinburgh New Philosophical Journal: Exhibiting a View of the Progressive Discoveries and Improvements in the Sciences and the Arts, Том 11A. and C. Black, 1860 |
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Страница 2
... characters . Quatre- fages states that he has seen segmentation take place , inde- pendently of impregnation , in the ova of Hermella and Unio , though no farther development follows . In regard to the 2 Dr George Ogilvie's Observations ...
... characters . Quatre- fages states that he has seen segmentation take place , inde- pendently of impregnation , in the ova of Hermella and Unio , though no farther development follows . In regard to the 2 Dr George Ogilvie's Observations ...
Страница 3
... characters , again , even putting aside the evidence concerning the germs of the viviparous aphides as somewhat discordant , though , certainly , on the whole , in favour of the essential identity of ova and gemmæ , the observations of ...
... characters , again , even putting aside the evidence concerning the germs of the viviparous aphides as somewhat discordant , though , certainly , on the whole , in favour of the essential identity of ova and gemmæ , the observations of ...
Страница 5
... characters , in the other derivative and with distinct sexes - have yet this one point in common , that the great end of their existence is the multipli- cation of the race - an end to which the nutritive and animal functions are always ...
... characters , in the other derivative and with distinct sexes - have yet this one point in common , that the great end of their existence is the multipli- cation of the race - an end to which the nutritive and animal functions are always ...
Страница 6
... character of the species , in the general organisation , and commonly also in the sexual relations , and then propagate in the manner of the higher orders . For another illustration , we may turn to an allied family , the Cystic Entozoa ...
... character of the species , in the general organisation , and commonly also in the sexual relations , and then propagate in the manner of the higher orders . For another illustration , we may turn to an allied family , the Cystic Entozoa ...
Страница 7
... characters of " Tania - heads . " In another species or variety of Echinococcus , similar " Tænia - heads " are formed , in con- nection with vesicles budded off from the interior of the primary cyst , without the intermediate ...
... characters of " Tania - heads . " In another species or variety of Echinococcus , similar " Tænia - heads " are formed , in con- nection with vesicles budded off from the interior of the primary cyst , without the intermediate ...
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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