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 3
... latter a male progeny . We can hardly , therefore , as it would seem , avoid adopting Professor Owen's conclusion , that there is no essential differ- ence between an ovum and a gemma , and that the one may pass into the other by ...
... latter a male progeny . We can hardly , therefore , as it would seem , avoid adopting Professor Owen's conclusion , that there is no essential differ- ence between an ovum and a gemma , and that the one may pass into the other by ...
Page 6
... latter is their most notable change , but , prior to it , they present us with a series of successive forms , all referable to the cystic phase . The typical form is the " Tænia - head , " which is not the immediate product of ...
... latter is their most notable change , but , prior to it , they present us with a series of successive forms , all referable to the cystic phase . The typical form is the " Tænia - head , " which is not the immediate product of ...
Page 10
... latter containing but a single ovum . The progress of degradation reaches its maximum in the common Hydra , in which the large Medusa of the " Hydra tuba " are represented only by spermatic and ovarian cysts , of the most rudimentary ...
... latter containing but a single ovum . The progress of degradation reaches its maximum in the common Hydra , in which the large Medusa of the " Hydra tuba " are represented only by spermatic and ovarian cysts , of the most rudimentary ...
Page 11
... latter structures , grows up from the prothallium , which comes to have very much the appearance of the seed - leaf of the young shoot . The prothallia I regard as gamomorphic phy- toids , parallel to the medusiform reproductive zooids ...
... latter structures , grows up from the prothallium , which comes to have very much the appearance of the seed - leaf of the young shoot . The prothallia I regard as gamomorphic phy- toids , parallel to the medusiform reproductive zooids ...
Page 14
... latter , as the case may be , has a much more permanent duration , and may go on for a long time in perfect vigour , sending off crop after crop of ova , or of sexual gemmæ , according to its mode of propagation . The distinctness of ...
... latter , as the case may be , has a much more permanent duration , and may go on for a long time in perfect vigour , sending off crop after crop of ova , or of sexual gemmæ , according to its mode of propagation . The distinctness of ...
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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