Download or read book The Schrammen Collection of Cretaceous Silicispongiae in the American Museum of Natural History written by Marjorie O'Connell and published by . This book was released on 1919 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wheldon Wesley s Catalogue written by Wheldon & Wesley, Ltd and published by . This book was released on 1924 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fossil and Recent Sponges written by Joachim Reitner and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fossil and Recent Sponges contains articles on taxonomic, phylogenetic and ecological aspects of sponges of both biological and paleontological interest. They focus on three main topics: phylogeny and systematics, biology, and paleoecology of sponges. The reader is offered an overview over the most important aspects of current sponge research: - establishment of a new taxonomy based on mono phyletic groups (phylogenetic systematics) including recent and fossil taxa - new concepts of the biomineralisation of sponge skeletons - palaeoenvironmental analysis of fossil sponge buildups.
Download or read book Bulletin of the United States Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1949 with total page 1020 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of North American Geology written by and published by . This book was released on 1931 with total page 1018 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
Download or read book Shallow water sponges of the western Bahamas written by F. Wiedenmayer and published by Birkhäuser. This book was released on 2013-11-21 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the period the sponges described herein were which were used only sporadically in the past and were collected (1963-7), the author was a Research Associate regarded as of marginal value until two decades ago, at the Department of Geology, University of Illinois, paleontology and embryology, are now receiving great participating in a research project on carbonate attention. They have already brought drastic revisions to sediments of the Bimini area, directed by Prof. William systematics, with regard to redefinition and classification W. Hay (Department of Geology, University of Illinois. of higher taxa. Other approaches have recently emerged utilizing biochemistry, histology, cytology, autecology, now at the Rosenstiel School of Marine and Atmospheric and zoogeography, and these promise significant ad Science, University of Miami) and supported by the National Science Foundation. The objective of this pro vance in the delimitation and classification oflower taxa. ject was a study of the relationship between the carbo The rapidly changing state of sponge taxonomy is reflect nate sediments of the Bimini area and the benthonic ed in the paucity of definitive (i. e. widely accepted) revisions of genera and families. The lack of stability and fauna and flora, especially with regard to skeletal ele ments contributed to the sediment.
Download or read book Collected papers written by Alfred Sherwood Romer and published by . This book was released on 1922 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The American Journal of Science written by and published by . This book was released on 1920 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The National Union Catalog Pre 1956 Imprints written by and published by . This book was released on 1976 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geological Magazine written by Henry Woodward and published by . This book was released on 1920 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bulletin of the American Museum of Natural History written by American Museum of Natural History and published by . This book was released on 1919 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprises articles on geology, paleontology, mammalogy, ornithology, entomology, and anthropology.
Download or read book Contributions from the Geological Department of Columbia University written by Columbia University. Dept. of Geology and published by . This book was released on 1919 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Science written by and published by . This book was released on 1919 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1911-13 contain the Proceedings of the Helminothological Society of Washington, ISSN 0018-0120, 1st-15th meeting.
Download or read book Catalogue and Index of Contributions to North American Geology written by Geological Survey (U.S.) and published by . This book was released on 1931 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Library Journal written by and published by . This book was released on 1921 with total page 862 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Library Journal written by Melvil Dewey and published by . This book was released on 1921 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes, beginning Sept. 15, 1954 (and on the 15th of each month, Sept.-May) a special section: School library journal, ISSN 0000-0035, (called Junior libraries, 1954-May 1961). Also issued separately.
