Excerpt from Synopsis of the Rotatoria As insufficiently described are listed species that can not be definitely placed on the information at present available; the majority of these are hopeless, but it is possible that some may still prove valid. While apparently very vague, a description may nevertheless contain some clue that will enable us to identify the species when it is found again. It would seem inadvisable, however, to revive Old and forgotten names unless there is some definite reason for doing so; while new names should not be given to old species, it is almost equally confusing to attach new animals to rejected names. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Excerpt from Edinburgh New Philosophical Journal, 1833 I. On the Physical Structure of the Site of Rome, and the adjoining Country. Communicated by the Author, II. Observations on the Deviation of the Compass; with Examples of its fatal influence in some melancholy and dreadful shipwrecks. By the Rev. William scoresby, F. R. S. &c. Communicated by the Author. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Multitude of strangely beautiful natural forms: Radiolaria, Foraminifera, Ciliata, diatoms, calcareous sponges, Tubulariidae, Siphonophora, Semaeostomeae, star corals, starfishes, much more. All images black-and-white.

Mathematical demography is the centerpiece of quantitative social science. The founding works of this field from Roman times to the late Twentieth Century are collected here, in a new edition of a classic work by David R. Smith and Nathan Keyfitz. Commentaries by Smith and Keyfitz have been brought up to date and extended by Kenneth Wachter and Hervé Le Bras, giving a synoptic picture of the leading achievements in formal population studies. Like the original collection, this new edition constitutes an indispensable source for students and scientists alike, and illustrates the deep roots and continuing vitality of mathematical demography.

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