18 research outputs found
Paleontology of leaf beetles
`The rate of evolution in any large group is not uniform; there are periods of relatise stability, and periods of comparatively rapid change.' Cockerell and LeVeque, 1931 To Yenli Ych, my beloved wife, a most wonderful person! The fossil record of the Chrysomelidae can be tentatively traced back to the late Paleozoic to early Mesozoic Triassic. Mesozoic records at least 9 subfamilies, 19 genera, and 35 species, are represented by the Sagrinae, the exclusively Mesozoic Proto scelinae, Clytrinae, Cryptocephalinae, Eumolpinae, Chrysomelinae. Galerucinac, Alticinae, and Cassidinae. Cenozoic records at least 12 subfamilies- 63 % of the extant- 12! genera, and 325 species, include the same extant subfamilies as well as the Donaciinae, Zeugophorinae, Criocerinae, and Hispinae and can be frequently identified to genus, especially if preserved in amber. Quaternary records are often identified to extant species. tn total, at least t3! genera about 4 % of total extant, and 357 species < 1 % have been reported. At least, 24 genera <1 % of the extant seem to be extinct. Although reliable biological information associated with the fossil chrysomelids is very scarce, it seems that most of the modern host-plant associations were established, at least, in the late Mesozoic to early Cenozoic. As a whole, stasis seems to be the general rule of the chrysomelid fossil record. Together with other faunal elements, chrysomelids, especially donaciines, have been used as biogeographic and paleoclimatological indicators in the Holocene. I
Differential representation of human skeletal remains in eroded and redeposited coastal deposits: A case study from the Marshall Islands
Adelbert von Chamisso e o narcisismo primário Adelbert von Chamisso and the primary narcissism
Adelbert von Chamisso foi um escritor e poeta de lĂngua alemĂŁ, nascido em famĂlia aristocrática francesa emigrada para a Alemanha em 1792. Este artigo, examinando o conto "L'Ă©trange histoire de Peter Schlemihl", primeiro trabalho publicado por Chamisso, aponta os aspectos autobiográficos dessa obra que antecipa a vida de seu autor atĂ© na exatidĂŁo das minĂşcias. O artigo mostra como a sublimação artĂstica permitiu que o escritor encontrasse para si mesmo um caminho pelo trabalho cientĂfico e pela criação literária, e indica que essa espĂ©cie de "aceitação intelectual" do recalcado poderia ser vista como equivalente a um resultado de tratamento psicanalĂtico.<br>Chamisso was a German writer and poet born in an aristocratic French family emigrated to Germany in 1792. This paper, inquiring into Chamisso's tale "L'Ă©trange histoire de Peter Schlemihl", his first issued writing, points to its autobiographical features that anticipate the life of its author even in its precise details. This paper shows how artistic sublimation allowed the writer to succeed in finding for himself a path towards scientific work and literary creation, and emphasizes that this kind of "intellectual acceptation" of the repressed could be seen as equivalent to the result of a psychoanalysis treatment