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040 _aUtSlPG
041 7 _aen
_2iso639-1
050 4 _aQ
100 1 _aHaeckel, Ernst,
_d1834-1919
245 1 0 _aReport on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index :
_bReport on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII
264 1 _aSalt Lake City, UT :
_bProject Gutenberg,
_c2013
300 _a1 online resource :
_bmultiple file formats
336 _atext
_btxt
_2rdacontent
337 _acomputer
_bc
_2rdamedia
338 _aonline resource
_bcr
_2rdacarrier
500 _aRelease date is 2013-12-28
508 _aE-text prepared by Charlene Taylor, Adrian Mastronardi, Keith Edkins, and the Online Distributed Proofreading Team (http://www.pgdp.net) from page images generously made available by Internet Archive (https://archive.org)
520 _a"Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-76" by Ernst Haeckel is a scientific publication written in the late 19th century. This work is a detailed examination of radiolarians, a group of protists characterized by their intricate silica-based skeletons, based on specimens collected during the celebrated Challenger expedition. Haeckel's comprehensive analysis includes descriptions of various genera and species, their morphology, and classifications within the broader context of zoological studies. The beginning of this publication presents extensive introductory material, laying the groundwork for understanding the findings regarding radiolarians. Haeckel describes the overall framework of the study, outlining the various subcategories of radiolarians and introducing the complex classification system he has developed. It delves into the nuances of their structural characteristics, such as the distinctive features of their skeletons, and establishes a categorized approach to exploring the diversity and evolutionary significance of the collected specimens. This opening serves as a precursor to the detailed accounts of specific radiolarian forms that follow in the subsequent chapters. (This is an automatically generated summary.)
534 _nOriginal publication data not identified
653 _aRadiolaria
856 4 0 _uhttps://www.gutenberg.org/ebooks/44526
999 _c85365
_d85365