Foot-prints of
章节目录
共 26 段- Mr. Miller was born at Cromarty, of humble but respectable p
- Having imposed upon himself the task of examining in detail
- This argument is carried on in a popular and amusing dialogu
- I extended my researches, a few days after, in an easterly d
- It had been long known to the continental naturalists, that
- It is held by a class of naturalists, some of them of the hi
- The under jaws (10)—strongly-marked bones in at least all th
- The head of the _Asterolepis_, like the heads of all the oth
- That suite of shoulder-bones that in the osseous fishes form
- But what of their organization? Were they fishes low or high
- One of the best marked Placoids of the Upper Ludlow bone-bed
- It is not uninstructive to mark how slowly and gradually the
- Sinking altogether, however, the final cause of the peculiar
- In the second great period of ichthyic existence,—that of th
- This fact of degradation, strangely indicated in geologic hi
- Such are the vegetable organisms of the Old Red Sandstone an
- “Master,” replies the farmer, “I see you are a scholar and,
- Let me request the reader at this stage, ere we pass on to t
- And such are the descriptions of Crabbe, at once a poet and
- When Maillet first promulgated his hypothesis, many of the d
- But how very different the nature and history of the develop
- That definite period at which man was introduced upon the sc
- May not, in short, what we term degradation be merely one of
- But it may be judged that I am trespassing on a field into w
- It will be seen that Mr. Nicol failed to detect what I now d
- _AGASSIZ AND GOULD’S PRINCIPLES OF ZOÖLOGY_; Touching the St