The Shipley Collection of Scientific Papers, Volume 331890 - Zoology |
From inside the book
Results 1-5 of 51
Page 6
the tissues of animals and plants , throws difficulties in the way of accurate observation . But here , again , the various methods of hardening and staining have removed many of these difficulties , and have enabled us to form much ...
the tissues of animals and plants , throws difficulties in the way of accurate observation . But here , again , the various methods of hardening and staining have removed many of these difficulties , and have enabled us to form much ...
Page 7
... observation or in inter- pretation have been committed by our predecessors . If the history of Science be wisely read , it teaches us not to be too dogmatic in the promulgation of our opinions ; for if the men who have gone before us ...
... observation or in inter- pretation have been committed by our predecessors . If the history of Science be wisely read , it teaches us not to be too dogmatic in the promulgation of our opinions ; for if the men who have gone before us ...
Page 10
... observations and facts in order to bring them into association with the cells of vegetable tissue . This was supplied by the discovery in 1831 by the great English botanist , Robert Brown , of the " nucleus " or " areola " in the cells ...
... observations and facts in order to bring them into association with the cells of vegetable tissue . This was supplied by the discovery in 1831 by the great English botanist , Robert Brown , of the " nucleus " or " areola " in the cells ...
Page 14
... observations on cell formation were con- ducted to a large extent on the products of inflammation , and on the lymph and chyle , in all of which fatty and granular particles abound . As regards the part which the nucleus plays in the ...
... observations on cell formation were con- ducted to a large extent on the products of inflammation , and on the lymph and chyle , in all of which fatty and granular particles abound . As regards the part which the nucleus plays in the ...
Page 15
... observation which had been made by Prevost and Dumas on the ovum of the frog , and by Rusconi on the ovum in osseous fish . He described the formation within the rabbit's ovum of the body which he named , and which has been known since ...
... observation which had been made by Prevost and Dumas on the ovum of the frog , and by Rusconi on the ovum in osseous fish . He described the formation within the rabbit's ovum of the body which he named , and which has been known since ...
Common terms and phrases
acquired characters Actinozoa adult alimentary Amphioxus Anatomy ancestral Annelid ants appear archenteron assume become blastopore body Burchell's zebra carapace-length cavity changes chromatin cœlom colour connection corpuscles degeneration dentary derived deviation differentiation diploblastic disuse division ectoderm eggs embryo essay evolution excretory existence explanation fact females fibres formation frontal breadth germ germ-plasm growth homologous horse hybrid hypothesis important insects instance instincts larva larvæ legs less males mare mean mesoblast Metazoa modified morphological mouth and anus natural selection nephridia nervous system neural canal nucleus number of glands nutrition observations occur ontogeny organs origin ovum Panmixia Peripatus plants plasm pores pouches present primitive streak principle produced Professor Weismann protoplasm recognised regard reproductive cells result Schwann Sedgwick segmentation nucleus segmented animals somites specialised species Spencer stage structure substance supposed telegony theory tion tissues unicellular variability variations Vertebrata Vertebrate workers yolk zebra
Popular passages
Page 65 - The elementary parts of all tissues are formed of cells in an analogous, though very diversified manner, so that it may be asserted, that there is one universal principle of development for the elementary parts of organisms, however different, and that this principle is the formation of cells.
Page 7 - XVIII. OF THE SCHEMATISME OR TEXTURE OF CORK, AND OF THE CELLS AND PORES OF SOME OTHER SUCH FROTHY BODIES...
Page 72 - PROCESSES, AND COLLATERAL INFORMATION IN THE ARTS, MANUFACTURES, PROFESSIONS, AND TRADES, INCLUDING MEDICINE, PHARMACY, AND DOMESTIC ECONOMY ; designed as a General Book of Reference for the Manufacturer, Tradesman, Amateur, and Heads of Families.