The Shipley Collection of Scientific Papers, Volume 331890 - Zoology |
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Results 1-5 of 23
Page 88
... legs examined was , accordingly , 8,000 ; 4,000 left and 4,000 right . All of the observations fall , consequently , into four groups of 2,000 cases each ; namely , male right , male left , female right , female left . These four groups ...
... legs examined was , accordingly , 8,000 ; 4,000 left and 4,000 right . All of the observations fall , consequently , into four groups of 2,000 cases each ; namely , male right , male left , female right , female left . These four groups ...
Page 87
... legs . The number of pits is variable . Where there are several they occur , for the most part , in a single row trending somewhat obliquely to the long axis of the leg . In no Of the 8,000 legs examined , the arrangement of the glands ...
... legs . The number of pits is variable . Where there are several they occur , for the most part , in a single row trending somewhat obliquely to the long axis of the leg . In no Of the 8,000 legs examined , the arrangement of the glands ...
Page 88
... legs examined was , accordingly , 8,000 ; 4,000 left and 4,000 right . All of the observations fall , consequently , into four groups of 2,000 cases each ; namely , male right , male left , female right , female left . These four groups ...
... legs examined was , accordingly , 8,000 ; 4,000 left and 4,000 right . All of the observations fall , consequently , into four groups of 2,000 cases each ; namely , male right , male left , female right , female left . These four groups ...
Page 89
... leg of the same sex ? ( 2 ) Which sex shows the greater variability , and to what extent is it greater ? Is the ... legs of individuals ? That is to say , what are the chances that a swine which has 2 , 4 , or 7 glands on the right ...
... leg of the same sex ? ( 2 ) Which sex shows the greater variability , and to what extent is it greater ? Is the ... legs of individuals ? That is to say , what are the chances that a swine which has 2 , 4 , or 7 glands on the right ...
Page 91
... leg , from 1 to 10. This curve is drawn from the right female leg only ; the curve for the other legs would be very similar . We shall speak in a moment of the method of construction of these curves ; but we want now to call attention ...
... leg , from 1 to 10. This curve is drawn from the right female leg only ; the curve for the other legs would be very similar . We shall speak in a moment of the method of construction of these curves ; but we want now to call attention ...
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.
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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.