 | Royal Geological Society of Cornwall - 1841 - 492 pages
...ages, give rise to difference of generic rank. We are told his investigations and reasonings will throw a flood of light on many classes of phenomena connected...has been able, or has even attempted to account." This work shortly after made its appearance, and as coming from an author so well known as a searcher... | |
 | William Nelson Pendleton - 1860 - 362 pages
...periods, produce species, and, in a still longer series of ages, give rise to differences in generic rank. He appears to me to have succeeded, by his investigations...with the affinities, geographical distribution, and geologic succession of organic beings, for which no other hypothesis has been able, or has even attempted... | |
 | British Association for the Advancement of Science - 1860 - 722 pages
...periods, produce species, and, in a still longer series of ages, give rise to differences of generic rank. He appears to me to have succeeded, by his investigations...light on many classes of phenomena connected with the afhnities, geographical distribution, and geological succession of organic beings, for which no other... | |
 | 1860 - 966 pages
...investigations and reasonings, to have thrown a flood of light on many classes of phenomena iv.nnected with the affinities geographical distribution, and...for which no other hypothesis has been able, or has attempted, to account." stancy of character derived from parent to offspring, as to be ranked as species.... | |
 | 1860 - 390 pages
...periods, produce species, and, in a still longer series of ages, give rise to differences of generic rank. He appears to me to have succeeded, by his investigations and reasonings, to have thrown a flood of light on many classes of phenomena connected with the affinities, geographical... | |
 | 1860 - 542 pages
...periods, produce species, and, in a still longer series of ages, give rise to differences of generic rank. He appears to me to have succeeded, by his investigations and reasonings, to have thrown a flood of light on many classes of phenomena connected with the affinities, geographical... | |
 | 1860 - 448 pages
...produce species, and, in a still longer series of ages, give rise to différences of generic rank. He appears to me to have succeeded, by his investigations and reasonings, to have thrown a flood of light on many classes of phenomena connected with the affinities, geographical... | |
 | 1860 - 512 pages
...periods, produce species, and, in a still longer series of ages, give rise to differences of generic rank. He appears to me to have succeeded, by his investigations and reasonings, to have thrown a flood light on many classes of phenomena, connected with the affinities, geographical... | |
 | 1860 - 536 pages
...periods, produce species, and, in a still longer series of ages, give rise to differences of generic rank. He appears to me to have succeeded, by his investigations and reasonings, to have thrown a flood of light on many classes of phenomena connected with the affinities, geographical... | |
 | 1867 - 460 pages
...generic rank. He appears to me to have suceeeded, by his investigations and reasonings, to have thrown a flood of light on many classes of phenomena connected...affinities, geographical distribution, and geological suceession of organic beings, for which no other hypothesis has been able, or has even attempted, to... | |
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... been led to the conclusion that those powers of nature which give rise to races and permanent varieties in animals and plants, are the same as those which in much longer periods produce species, and in a still longer series of ages give rise to differences... 
