1000 resultados para Schwatka, Frederick (1849-1892) -- Portraits
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Mode of access: Internet.
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seventeenth century. Hildeburn, C.R. Printing in New-York in the seventeenth century. Table of dates in New-York history.--v. 2. Vermilye, A.G. The Earl of Bellemont and suppression of piracy, 1698-1701. Stone, W.L. The administration of Lord Cornbury, 1702-1708. Wilson, J.G. Lord Lovelace and the second Canadian campaign, 1708-1710.
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Originally published on four separate dates and collected in a volume with a separate collective title page and a table of contents to all four parts, 1849.
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Mode of access: Internet.
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Back Row: Paul Woodworth, Frederick W. Henninger, Charles T. Griffin, mngr. W.E. Griffin, James Bird, Hiram Powers(?), William Pearson
2nd Row: Ralph Hayes, ?, Lawrence Grosh, capt. George Dygert, ?, Virgil Tupper(?)
Front Row: ?, Heman B. Leonard, ?, Raynor Freund, George Jewett, ?, W.W. Griffin,
(Unidentified or not pictured: Frank Decke, C.L. Thomas(?) F.F Harding, E.L. Sanderson)
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Mode of access: Internet.
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"The original edition was published in 1880."
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Old William.--Empress Frederick.--Bismarck.--Johanna Bismarck.--Richter.--Holstein.--Waldersee.--Stoecker.--Gallifet.-- Ibsen.--Bocklin.--Charlotte Wolter.--Menzei.--Mitterwurzer.--Zola.--Lenbach.--Matkowsky.
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Marcelo A. Scelzo, Marina Z. Fantucci, and Fernando L. Mantelatto (2010) Spermatophore and gonopore morphology of the southwestern-Atlantic hermit crab Pagurus exilis (Benedict, 1892) (Anomura, Paguridae). Zoological Studies 49(3): 421-433. The form and function of the spermatophore have been used as a complementary tool in studies of the reproductive biology and systematics of hermit crabs. In this context, we describe the spermatophore and gonopore morphology of Pagurus exilis. The spermatophores were extracted from the distal part of the vas deferens of specimens collected in Argentina and Brazil. The spermatophores were composed of 3 major regions: a main ampulla (with a sperm capsule inside and an accessory ampulla at the base), a stalk, and a pedestal. Each spermatophore had a distinct dorsolateral suture line around the ampulla, where the rupture occurs to release the sperm. The spermatophore total length was 1.5 times the main ampulla length. The main ampulla was oval and slightly flattened. A triangular accessory ampulla extended from the main ampulla base to the pedestal on 1 side, and contained no to several sperm. The stalk is short and flattened, and as wide as the main ampulla. One to 3 spermatophores were found attached to each pedestal, which was almost oblong in shape. The dimensions of the spermatophore and its component parts were directly influenced by the size of the hermit crab. Gonopores of males were covered by long pappose setae, while female gonopores bore a few short cuspidate setae. Specimens from Brazil and Argentina had the same spermatophore morphology, corroborating the previously observed absence of genetic differences between the both populations. The spermatophore morphology of this species has similarities with the broad general pattern of the Paguridae, being most similar to one of the (at least) 3 patterns of spermatophore morphology described for Pa gurus. http://zoolstud.sinica.edu.tw/Journals/49.3/421.pdf
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A predação de Helobdella triserialis lineata Blanchard, 1849 sobre desovas e exemplares de Biomphalaria glabrata Say, 1818, foi acompanhada visando por um lado verificar a extensão desta predação sobre criações deste molusco em laboratório e, por outro, avaliar a possível utilização desta sanguessuga no controle biológico de planorbíneos hospedeiros intermediários da esquistossomose mansoni em condições naturais. Nas condições do experimento, H. t. lineata mostrou-se eficaz predadora de exemplares de B. glabrata recém-eclodidos, jovens e adultos com diâmetro de até 10 mm. Não ocorreu predação sobre desovas. Observou-se uma aceleração do crescimento e uma redução na oviposição dos planorbíneos mantidos juntos com os hirudíneos. Foram feitas algumas observações sobre a biologia de H. t. lineata e sugeridas medidas de controle deste hirudíneo em criações de planorbíneos de laboratório.