On the Imperfection of the Geological Record
On the Absence of Intermediate Varieties at the Present Day.
In the sixth chapter I enumerated the chief objections which might be justly urged against the vi...
On the Lapse of Time, as inferred from the rate of Deposition and extent of Denudatym.
Independently of our not finding fossil remains of such infinitely numerous connecting links, it ...
On the Poorness of our Palæontological Collections.
Now let us turn to our richest museums, and what a paltry display we behold! That our collections...
On the Absence of Numerous Intermediate Varieties in any Single Formation.
From these several considerations it cannot be doubted that the geological record, viewed as a wh...
On the sudden Appearance of whole Groups of allied Species.
The abrupt manner in which whole groups of species suddenly appear in certain formations, has bee...
On the sudden Appearance of Groups of allied Species in the lowest known Fossiliferous Strata.
There is another and allied difficulty, which is much more serious. I allude to the manner in whi...