The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life |
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Page 10
... manner as the chill affects different men in an indefinite manner , ac- cording to their state of body or constitution , causing coughs or colds , rheumatism , or inflammation of various organs . With respect to what I have called the ...
... manner as the chill affects different men in an indefinite manner , ac- cording to their state of body or constitution , causing coughs or colds , rheumatism , or inflammation of various organs . With respect to what I have called the ...
Page 16
... manner as the increased length of the horns in the offspring from a short - horned cow by a long - horned bull , though appearing late in life , is clearly due to the male element . Having alluded to the subject of reversion , I may ...
... manner as the increased length of the horns in the offspring from a short - horned cow by a long - horned bull , though appearing late in life , is clearly due to the male element . Having alluded to the subject of reversion , I may ...
Page 25
... manner . . The caudal and sacral vertebrę vary in number ; as does the number of the ribs , together with their relative breadth and the pre- sence of processes . The size and shape of the apertures in the sternum are highly variable ...
... manner . . The caudal and sacral vertebrę vary in number ; as does the number of the ribs , together with their relative breadth and the pre- sence of processes . The size and shape of the apertures in the sternum are highly variable ...
Page 44
... manner , or a pouter till he saw a pigeon with a crop of some- what unusual size ; and the more abnormal or unusual any character was when it first appeared , the more likely it would be to catch his attention . But to use such an ...
... manner , or a pouter till he saw a pigeon with a crop of some- what unusual size ; and the more abnormal or unusual any character was when it first appeared , the more likely it would be to catch his attention . But to use such an ...
Page 53
... manner as man accumulates in any given direction individual differences in his domesticated productions . These individual differences generally affect what naturalists consider unimportant parts ; but I could show by a long catalogue ...
... manner as man accumulates in any given direction individual differences in his domesticated productions . These individual differences generally affect what naturalists consider unimportant parts ; but I could show by a long catalogue ...
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Common terms and phrases
adapted affinities allied species America ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour common continent crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellę larvę less living males mammals manner marsupials migration modified descendants natural selection naturalists nearly nest occasionally offspring organisation organs parent peculiar perfect pigeon pistil pollen present principle probably produced progenitor quadrupeds ranked remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed swimbladder tend theory tion trees variability variations varieties vary whilst whole wings young