 ... 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 of generic rank. He appears to me to have succeeded, by his...  The Canadian Naturalist and Geologist - Page 741860Full view - About this book
 | Royal Geological Society of Cornwall - 1841 - 492 pages
...to difference of generic rank. We are told his investigations and reasonings will throw a flood of light on many classes of phenomena connected with...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... | |
 | 1859 - 532 pages
...reasonings, to have thrown a flood of light on many classes of phenomena connected with the affiuities, geographical distribution, and geological succession...received from Dr. Dawson, of Montreal, one confirming the discovery, which he and I formerly announced, of a land shell, or pupa, in the coal formation of Nova... | |
 | 1859 - 552 pages
...reasonings, to have thrown a flood of light on many classes of phenomena connected with the affiuities, geographical distribution, and geological succession...attempted, to account. " Among the communications Bent in to this Section, I have received from Dr. Dawson, of Montreal, one confirming the discovery,... | |
 | 1860 - 452 pages
...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...received from Dr. Dawson, of Montreal, one confirming the discovery which he and I formerly announced, of a land shell, or pupa, in the coal formation of Nova... | |
 | 1860 - 536 pages
...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...attempted to account. Among the communications sent into this section, I have received from Dr. Dawson, of Montreal, one confirming the discovery which... | |
 | 1860 - 542 pages
...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...even attempted to account. Among the communications sflnt into this section, I have received from Dr. Dawson, of Montreal, one confirming the discovery... | |
 | British Association for the Advancement of Science - 1860 - 722 pages
...reasonings, in throwing a flood of light on many classes of phenomena connected with the afhnities, geographical distribution, and geological succession...communications sent in to this Section, I have received one from Dr. Dawson, of Montreal, confirming the discovery -which he and I formerly announced, of a... | |
 | 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
...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...geological succession of organic beings, for which •lio other hypothesis has been able, or has even attempted, to account. Among the communications... | |
 | William Nelson Pendleton - 1860 - 362 pages
...rank. He appears to me to have succeeded, by his investigations and reasonings, in throwing a flood of light on many classes of phenomena connected with the affinities, geographical distribution, and geologic succession of organic beings, for which no other hypothesis has been able, or has even attempted... | |
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