On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life |
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Page 16
... given : namely , first , the difficulties of transitions , or in understanding how a simple being or a simple organ can be changed and perfected into a highly developed being or elaborately constructed organ ; secondly , the subject of ...
... given : namely , first , the difficulties of transitions , or in understanding how a simple being or a simple organ can be changed and perfected into a highly developed being or elaborately constructed organ ; secondly , the subject of ...
Page 21
... given of " sporting plants ; by this term gardeners mean a single bud or offset , which suddenly assumes a new and sometimes very different character from that of the rest of the plant . Such buds can be propagated by grafting , & c ...
... given of " sporting plants ; by this term gardeners mean a single bud or offset , which suddenly assumes a new and sometimes very different character from that of the rest of the plant . Such buds can be propagated by grafting , & c ...
Page 22
... given in Isidore Geoffroy St. Hilaire's great work on this subject . Breeders believe that long limbs are almost always accompanied by an elongated head . Some instances of correlation are quite whimsical : thus cats with blue eyes are ...
... given in Isidore Geoffroy St. Hilaire's great work on this subject . Breeders believe that long limbs are almost always accompanied by an elongated head . Some instances of correlation are quite whimsical : thus cats with blue eyes are ...
Page 35
... given in a bill of fare in the previous dynasty . In the time of the Romans , as we hear from Pliny , immense prices were given for pigeons ; nay , they are come to this pass , that they can reckon up their pedigree and race . " Pigeons ...
... given in a bill of fare in the previous dynasty . In the time of the Romans , as we hear from Pliny , immense prices were given for pigeons ; nay , they are come to this pass , that they can reckon up their pedigree and race . " Pigeons ...
Page 36
... given . explanation , I think , is simple : from long - continued study they are strongly impressed with the differences between the several races ; and though they well know that each race varies slightly , for they win their prizes ...
... given . explanation , I think , is simple : from long - continued study they are strongly impressed with the differences between the several races ; and though they well know that each race varies slightly , for they win their prizes ...
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Common terms and phrases
accumulated adapted affinities allied species America analogous ancient animals appear archipelago become bees believe birds breeds cause cells characters cirripedes climate closely allied colour continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo endemic existing exterminated extinct extremely facts favourable fertilised fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids hybrids produced important increase individuals inhabitants inherited insects instance instincts intercrossing intermediate larvæ laws less living males mammals manner migration modification modified descendants natural selection naturalists nearly nest occasionally offspring organic organisation origin of species perfect pigeons plants pollen present principle probably produced progenitor ranked reciprocal crosses remarked resemble rock-pigeon rudimentary seeds sexual sexual selection Silurian slight sometimes South America sterility structure struggle successive supposed swimbladder tend theory variability variations varieties vary whole widely