All requests for paleontologic illustrations should be addressed to the Director.
The tasks of both the writer and the reader of reports on geology and kindred subjects are thus greatly facilitated by geologic maps, sections, paleontologic drawings, and illustrations of other kinds.
Some years ago one of your Secretaries pointed out another kind of positive paleontologic evidence tending towards the same conclusion--afforded by the existence of what he termed "persistent types" of vegetable and of animal life.
This difficulty is still more pronounced in regard to paleontologic facts, as the remains of geologic swarms are often found, but the absence of numerous mutations can hardly be proved in any case.
Of course, the main arguments of the evolution theory rest upon morphologic, systematic, geographic and paleontologic evidence.
Geographic and paleontologic facts, brought together by Darwin and others on a previously unequalled scale, point clearly in the same direction.
This fact is most conclusively proved, not only by geographic and paleontologic records, but by legitimate induction.
Our geologic and paleontologic records are becoming richer in materials, more interesting in details, and more authentic in character, every year.
A few species common to the waters of both oceans in a predominantly Caribbean fauna of the age of the Claiborne epoch of the Eocene Tertiary is the only paleontologic evidence in any time upon which such a connection may be hypothesized.
The paleontologic evidence indicates the ephemeral existence of a passage at the close of the Eocene period.
There is in the Survey a division organized for the purpose of preparing illustrations for paleontologic and geologic reports.
There are in the Survey, as at present organized, the following paleontologic laboratories: 1.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "paleontologic" in a variety of sentences. We hope that you will now be able to make sentences using this word.
