Discourses: Biol
章节目录
共 23 段- Thus far, the work had been carried on simply in the interes
- Thus you have, within the limits of your own county, proof t
- In the course of the dredging of the _Porcupine_, it was fre
- On the other hand, I think it must be admitted that a belief
- "There is probably no latitude between that of Spitzbergen a
- "In specimens taken with the tow-net the spines are very usu
- Accepting it provisionally, we arrive at the remarkable resu
- Thus Leeuwenhoek discovered that yeast consists of globules
- Sometimes the faces along which the coal splits are not smoo
- Wherever a coal-field now exists, there must formerly have b
- The results of recent inquiries into the structure of the ne
- There are some small plants known to botanists as members of
- Those kinds which include no other subdivisions than the sex
- What is the purpose of primary intellectual education? I app
- But Redi also thought that there were two modes of Biogenesi
- And looking back through the prodigious vista of the past, I
- But, beyond this, it is perhaps not too much to say that, ex
- The objection that broad statements of this kind, after all,
- And so clear is he, that no causes beside such as are now in
- It is obviously Uniformitarianism which the distinguished ph
- Consider how long a time has elapsed since the Miocene epoch
- In _Cainotherium_ and _Dichobune_ the upper incisors are ful
- Among the twelve or fourteen species of _Mammalia_ which are