1847. .: ... Eurova' und in unfern Iurath lern haben sie einen sehr verschiedenen Umfang, von einigen Ruthen bis zu einigen Qua dratmeilen. In den h hern Gebirgen nimmt ihre Gr e ab, und trifft man dort manche von nur zwei oder drei Quadratfu Oberfl che.') Ebenso abweichend, als sie hinsichtlich der Tiefe in den Ablageningen sind, ebenso verschieden ist auch die Farbe, das Gewicht und auch die Zufammensetzung der Torfmasse. ) Vor allen Dingen hat man, um sich die Untersuchungen ber die Torfmoore zu erleichtern, zweierlei zu unterscheiden, und dieser wesentliche Unterschied ist gew hnlich bersehen worden. Mehrere Schriftsteller haben ihre B cher nach Besichtigung einer einzelnen Art von Ablagerung geschrieben, woraus grobe Irrth mer und Meinungen hervorgingen, welche nat rlich nur zuf llig richtig sein konnten; andere dagegen haben eine gro e Anzahl verschiedener Formationen aufnehmen wollen und dadurch unn thig die Frage ber die Entstehung des Torfs verwickelt. Wenn man aufmerksam die verschiedenen Torfablagerungen in den Torfstichen beobachtet, so kann man sich sogleich berzeugen, da mehrere von ihnen unter Wasser entstanden sind, w hrend andere sich auf einem blos feuchten Boden erhoben haben, ohne je unter Wasser gewesen zu sein. Die Beweise ber die Entstehung des Torfs lassen sich also am besten f hren nach der Eintheilung der Moore in supra-aquatische, oder Ueberwasserbildungen, und inirs-aquatische, oder Unterwasserbildungen. Es kann allerdings 7) Zum Theil aus dem Grunde, da hier die Vegetation, wegen Rauheit des Klimas sehr d rftig ist; denn viel Torfmasse kann nur da entstehen, wo die Pflanzen ppig wachsen. Sprengel. 8) Die Farbe des Torfs h ngt von der gr ern oder geringern Zersetzung der ihn constituirenden Pflanzen ab; am dunkelsten ist derjenige Torf gef rbt, welcher gr ...

Title: The fossil plants of the coal measures of the United States: with descriptions of the new species, in the cabinet of the Pottsville Scientific Association.Author: Leo LesquereuxPublisher: Gale, Sabin Americana Description: Based on Joseph Sabin's famed bibliography, Bibliotheca Americana, Sabin Americana, 1500--1926 contains a collection of books, pamphlets, serials and other works about the Americas, from the time of their discovery to the early 1900s. Sabin Americana is rich in original accounts of discovery and exploration, pioneering and westward expansion, the U.S. Civil War and other military actions, Native Americans, slavery and abolition, religious history and more.Sabin Americana offers an up-close perspective on life in the western hemisphere, encompassing the arrival of the Europeans on the shores of North America in the late 15th century to the first decades of the 20th century. Covering a span of over 400 years in North, Central and South America as well as the Caribbean, this collection highlights the society, politics, religious beliefs, culture, contemporary opinions and momentous events of the time. It provides access to documents from an assortment of genres, sermons, political tracts, newspapers, books, pamphlets, maps, legislation, literature and more.Now for the first time, these high-quality digital scans of original works are available via print-on-demand, making them readily accessible to libraries, students, independent scholars, and readers of all ages.++++The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to insure edition identification: ++++SourceLibrary: Huntington LibraryDocumentID: SABCP01969800CollectionID: CTRG96-B2232PublicationDate: 18580101SourceBibCitation: Selected Americana from Sabin's Dictionary of books relating to AmericaNotes: "Read before the Pottsville Scientific Association, and ordered to be published February 13th, 1858."Collation: 24 p., 2] leaves of plates: ill.; 23 cm. (8vo)

This scarce antiquarian book is included in our special Legacy Reprint Series. In the interest of creating a more extensive selection of rare historical book reprints, we have chosen to reproduce this title even though it may possibly have occasional imperfections such as missing and blurred pages, missing text, poor pictures, markings, dark backgrounds and other reproduction issues beyond our control. Because this work is culturally important, we have made it available as a part of our commitment to protecting, preserving and promoting the world's literature.

Volume One Contains Cellular Cryptogamous Plants, Fungi Thalassophytes And Vascular Cryptogamous Plants, Calamariae, Filicaceae, Ferns.

Volume One Contains Cellular Cryptogamous Plants, Fungi Thalassophytes And Vascular Cryptogamous Plants, Calamariae, Filicaceae, Ferns.

This scarce antiquarian book is included in our special Legacy Reprint Series. In the interest of creating a more extensive selection of rare historical book reprints, we have chosen to reproduce this title even though it may possibly have occasional imperfections such as missing and blurred pages, missing text, poor pictures, markings, dark backgrounds and other reproduction issues beyond our control. Because this work is culturally important, we have made it available as a part of our commitment to protecting, preserving and promoting the world's literature.

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ Lettres ecrites D'Amerique: Destinees Aux emigrants; Lettres ecrites D'Amerique: Destinees Aux emigrants; Leo Lesquereux Leo Lesquereux Impr. de H. Wolfrath, 1849 United States

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ Lettres ecrites D'Amerique Leo Lesquereux Impr. de H. Wolfrath, 1850 United States

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ Quelques Recherches Sur Les Marais Tourbeux Leo Lesquereux Technology & Engineering; Power Resources; General; Technology & Engineering / Power Resources / General