The Metamerism of the Hirudinea (1900) the Metamerism of the Hirudinea (1900) by William Ernest Castle
Author: William Ernest Castle
Published Date: 10 Sep 2010
Publisher: Kessinger Publishing
Language: English
Format: Hardback| 32 pages
ISBN10: 1169500366
Imprint: none
File size: 30 Mb
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Dimension: 216x 280x 6mm| 376g
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Metameric structures in the subepidermal nervous system of the nemerteans with review of the metamerism in Nemertea // Invertebrate Zoology. Vol.10. No.2: 245 254 [in English],PDF. A quadrannulate species of Orobdella, O. kanaekoikeae sp. nov., from the mountainous region of Shikoku, Japan is described. This new species is small with a body length of mature individuals reaching only ca. 5 cm. Phylogenetic analyses using nuclear 18S, histone H3, mitochondrial cytochrome c oxidase subunit I, tRNA Cys, tRNA Met, 12S rRNA, tRNA Val, 16S rRNA, tRNA Leu, and NADH The archbishops gave their decision on the 1st of May 1900 in two separate judgments, to the effect that, in Dr Temple's words, "the Church of England does not at present allow reservation in any form, and that those who think that it ought to be allowed, though perfectly justified in endeavouring to get the proper authorities to alter the law Placobdella parasitica was originally described from lakes of the North-western region. Leeches collected during May and June, 2012, from Minnesota, USA, the type locality of Hirudo parasitica Say, 1824, were consistent with P. parasitica Moore, 1901 as described by Say ().The acquisition of these specimens from the type locality facilitated redescription of P. parasitica. They possess (save for certain Archiannelida, most Hirudinea, and other very rare exceptions) setae or chaetae implanted in epidermal pits. The setae are implanted metamerically in accordance with the metamerism of the body, which consists of Metamerism is a psychophysical phenomenon commonly defined incorrectly as "two samples which match when illuminated by a particular light source and then do not match when illuminated by a different light source." In actuality, there are several types of metamerism, including sample, illuminant, observer, and geometric. Ref., 1900-1910 US FED CENSUS, Social Security Death Index, World War I Draft Registration Cards 1917-1918, U.S. World War I Draft Registration Cards 1942. Forrest "Tottie", the son of Francis and Elizabeth (Henderschitt) Haenes Forrest, born in German Township and was a lifetime resident of the Bremen area. The following screen shot shows the Metamerism index window. Screen shot of the metameric calculation window in JETI LiVal.First it is necessary to select the reference illuminant between D50, D55, D65 and D75. The CIE 1976 u 10 v 10 chromaticity difference is shown, marked in red when the limit of 0.015 is exceeded. (Urbana, Ill., Illinois state laboratory of natural history, 1900), by Frank Smith (page images at HathiTrust) Die Transplantation bei Lumbriciden. (Marburg, 1897), by Ernst Jo st (page images at HathiTrust; US access only) Die topographie des blutgefa sssystems der cha topoden. THE METAMERISM OF THE HIRUDINEA. By W. E. Castle. Received January 20, Presented by E. L. Mark, February 14, 1900. CONTENTS. I. Introduction.285. Leeches are oligochaetes which have adopted a carnivorous mode of nutrition in place of the detritus-feeding habits of their ancestors. They possess the general characteristics of clitellates in that they are hermaphroditic, have a cocoon-secreting clitellum, and exhibit somatic metamerism, though there are varying degrees of coelomic reduction. Explore madushagunarathne's board "Annelida" on Pinterest. See more ideas about British marine, Natural history and Nature illustration. 3 classes: polychaetes (bristleworms), oligochaetes (earthworms), hirudinea (leeches); exhibit segmentation or metamerism; spiral cleavage; trochophore is the and exhibit somatic metamerism, though there are varying degrees of coelomic reduction. Synapomorphies delimiting the Euhirudinea are, Start studying Zoology Chapter 17-Annelids and Allies. Learn vocabulary, terms, and more with flashcards, games, and other study tools. "The Metamerism of the Hirudinea" is an article from Proceedings of the American Academy of Arts and Sciences, Volume 35. View more articles from Proceedings of the American Academy of Arts and Sciences. View this article on JSTOR. View this article's JSTOR metadata. Body Plan 357 Class Polychaeta 358 Class Oligochaeta 364 Class Hirudinea: Leeches 369 Evolutionary Significance of Metamerism 371 Phylogeny and Adaptive Radiation 371 Summary 373 It was established after 1900 with the discovery of Gregor Mendel s genetic experiments, and it was eventually incorporated into what we now call the chromosomal Other articles where Euhemerism is discussed: Euhemerus:,Euhemerism). His most important work was Hiera Anagraphe (probably early 3rd century bc; The Sacred Inscription ), which was translated into Latin by the poet Ennius (239 169 bc). Only fragments survive of Development of Metameric, Coelomic Spaces. 10. Characteristics of Phylum Annelida. Septa. annuli. External evidence of septa= circular grooves called annuli They possess (save for certain Archiannelida, most Hirudinea, and other The setae are implanted metamerically in accordance with the metamerism of the Sci., 1886-1905; W. Michaelsen, "Oligochaeta" in Das Tierreich, 1900, and Mitth. Members of the Phylum Mollusca probably share common ancestors with members of Phylum Annelida (segmented worms), they have similar patterns of embryonic development, and are both the first major groups to have a true coelom. Metamerism allows animals to become bigger by adding compartments while The subclass Hirudinea includes leeches such as Hirudo medicinalis and Define metameric. metameric synonyms, metameric pronunciation, metameric translation, English dictionary definition of metameric. (Zoology) divided into or consisting of metameres. See also metamerism 1. 2. (Chemistry) of or concerned with metamerism. meta merically adv. Thesaurus Antonyms Related Words Synonyms Legend: Switch to new
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