Chapters on EvolutionChatto & Windus, 1883 - Всего страниц: 383 |
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Стр. xv
... Pollen - grain of Melon emitting Con- tents 224. Pollen - tubes of Datura penetrating the style ( magnified ) 225. Section of Bean . FIG . PAGE 217. Stamen of Amaryllis . 314 218. Pistil of Chinese Primrose . • 314 219. Strawberry 314 ...
... Pollen - grain of Melon emitting Con- tents 224. Pollen - tubes of Datura penetrating the style ( magnified ) 225. Section of Bean . FIG . PAGE 217. Stamen of Amaryllis . 314 218. Pistil of Chinese Primrose . • 314 219. Strawberry 314 ...
Стр. 82
... pollen . " These organs are the " stamens " ( st ) . Lastly , in the centre of the flower we note the pistil " ( p ) , or organ devoted to the production of " ovules . " The latter , when duly fertilised by being brought into contact ...
... pollen . " These organs are the " stamens " ( st ) . Lastly , in the centre of the flower we note the pistil " ( p ) , or organ devoted to the production of " ovules . " The latter , when duly fertilised by being brought into contact ...
Стр. 131
... pollen , by which the " ovules " are fertilised and converted into the fertile " seeds . " Last of all , and in the centre of the flower , the pistil ( p ) is to be noted . This part consists of one or more carpels , in each K 2 ...
... pollen , by which the " ovules " are fertilised and converted into the fertile " seeds . " Last of all , and in the centre of the flower , the pistil ( p ) is to be noted . This part consists of one or more carpels , in each K 2 ...
Стр. 132
... pollen ) are contained . Thus much by way of a brief lesson in elementary botany . Now , when we study the bracts , we find that insensibly these have a tendency in many A B flowers to become like the green sepals of the calyx . Look at ...
... pollen ) are contained . Thus much by way of a brief lesson in elementary botany . Now , when we study the bracts , we find that insensibly these have a tendency in many A B flowers to become like the green sepals of the calyx . Look at ...
Стр. 133
... pollen . This head seems to represent the folded blade of the staminal leaf , but have we any proof that our conjecture is probable or correct ? Let the facts of botany reply . Here is a Petunia , for instance , in which the stamens are ...
... pollen . This head seems to represent the folded blade of the staminal leaf , but have we any proof that our conjecture is probable or correct ? Let the facts of botany reply . Here is a Petunia , for instance , in which the stamens are ...
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Часто встречающиеся слова и выражения
adult air-bladder animal or plant animal world animalcule animals and plants appear appendages ascidian Axolotl barnacle become biological bird body bone buds Campodea carpels cells changes chiton cilia cloth extra colonial common complete connected constitution crab cross-fertilisation Crown 8vo crustaceans curious Darwin degeneration descent discover evolution exhibit existence fact favour fertilisation firstly fish flowers fossil frog germ gills higher animals idea Illustrations individual insects jaws lampshells lancelet larva larvæ latter life-history likewise limbs living lobster marsupials ment metamorphosis missing links modification molluscs named naturalist nature Nauplius neighbours notochord organisation organs origin pairs phases pistil pollen pollen-grains possess present primitive primrose protoplasm pteropod quadrupeds race regarded remarks represented reptiles resemblance Sacculina scientific sea-squirt seen segments skull species sponge stage stamens Starfishes structure tail theory tion to-day trace variation vertebrate whilst wings worm young zoophyte
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Стр. 9 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
Стр. 8 - It is interesting to contemplate a tangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent upon each other in so complex a manner, have all been produced by laws acting around us.
Стр. 27 - Warrant to Execute Charles I. An exact Facsimile of this important Document, with the Fifty-nine Signatures of the Regicides, and corresponding Seals. Beautifully printed on paper to imitate the Original MS., price 2s.
Стр. 138 - He hath made every thing beautiful in his time: also he hath set the world in their heart, so that no man can find out the work that God maketh from the beginning to the end.
Стр. 22 - Spectra, 7s. 6d. Reader's Handbook (The) of Allusions, References, Plots, and Stories.
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Стр. 23 - MR. WILLIAM SHAKESPEARE'S Comedies, Histories, and Tragedies. Published according to the true Originall Copies. London, Printed by ISAAC IAGGARD and ED. BLOUNT. 1623.— A Reproduction of the extremely rare original, in reduced facsimile, by a photographic process — ensuring the strictest accuracy in every detail. Small 8vo, half-Roxburghe, 7s.
Стр. 7 - Shelley's Early Poems, and Queen Mab, with Essay by LEIGH HUNT. Shelley's Later Poems : Laon and Cythna, &c. Shelley's Posthumous Poems, the Shelley Papers, &c. Shelley's Prose Works, including A Refutation of Deism, Zastrozzi, St. Irvyne, &c.
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