Acta Zoológica Lilloana 23 (1967)

Articles

• History, current state and future of zoology in the Argentine Republic

  Raúl A. Ringuelet

  5-43

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• Las "palometas" o "pirañas" de las aguas del Paraná medio

  A. Bonetto, C. Pignalberi, E. Cordiviola

  45-65

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• Additions to Argentine fauna of Encyrtids (Hymenoptera, Chalcidoidea)

  Luis De Santis

  67-75

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• Structural changes in Bufo arenarum eggs during fertilization

  Francisco D. Barbieri, Ana E. Schugurensky

  77-82

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• Significance of Atta vollenweideri Forel anthills as soil alternators in the province of Tucumán

  Enrique H. Bucher, Ramón B. Zuccardi

  83-95

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• A method for determining the best characters of proportion

  R. F. Laurent

  97-109

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• Preliminary investigation of the basic structure of microfauna and mesofauna associations of floating plant roots

  Walter Dioni

  110-137

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• On a representative of the genus Eukerria (Ocnerodrilidae, Oligochaeta)

  Konstantin Gavrilov

  139-152

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• A contribution to the zoogeography of neotropical land planarians

  Claudio G. Froehlich

  153-162

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• Some observations about the gonads of certain fishes in the middle Parana River

  Clarice Pignalberi

  163-171

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• Preliminary report on zooplankton migrations in certain bodies of water of the middle Parana basin

  Alicia Martínez de Ferrato

  173-188

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• The genus Laronia Simon, 1892 (Araneae, Drassodidae)

  Berta S. Gerschman de Pikelin, Rita D. Schiapelli

  189-205

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• Determination at Specific level in females of Cylindera West

  Julia A. Vidal Sarmiento

  207-216

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• The argentine species of the subfamily Pseudomorphinae G. Horn, 1881 (Coleoptera, Carabidae)

  Ezequiel Ogueta

  217-232

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• Intrapopulation variability of seroproteinic electrophoretic patterns in Bufo arenarum

  Raquel Cohen de Hunau

  233-239

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• Serological relations in Leptotlactylus of the pachypus group

  R. Cohen de Hunau, J. M. Cei, M. P. Castro

  241-248

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• On Canis azarae Wied, 1824

  Alfredo Langguth

  249-264

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• The bioclimatography as a fundament in the control of locust

  P. Koehler

  265-274

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• First results of a study on protection and increase of predatory insects, conducted in citrus farms (Bella Vista and Lavalle area, province of Corrientes, Argentina)

  M. Adalberto Rosillo, Magdalena Portillo

  275-324

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• New Cladocerans for Argentine waters - II

  Alicia Martínez de Ferrato

  325-330

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• Sponges of the Argentine northeastern

  Argentino A. Bonetto, Inés Ezcurra de Drago

  331-347

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• Temnocephalas argentinas - III T. pignalberiae y T. santafesina novae species de Trichodactylus del Paraná medio

  Walter Dioni

  349-360

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• Notes on biology of Oiketicus tabacillo Weyembergh

  Reynaldo Orrego Aravena

  361-365

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• Behavior during the development of all the offsprings of a Bufo arenarum Hensel couple

  N. Guiñazú

  367-387

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• Secondary sexual differences and description of the male allotype of the Pseudemys dorbignyi turtles

  Marcos A. Freiberg

  389-394

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• Effects of irradiation on the seroproteins of Bufo arenarum as showed by precipitine tests

  J. M. Cei, R. Cohen, M. P. Castro

  395-406

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• Systematic state, geographic distribution and etoecologic data of some neotropical mamipherous (Marsupialia and Rodentia) with the description of a new genus Cabreramys (Cricetidae)

  Elio Massoia, Abel Fornes

  407-430

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• Biological cycle and development of Loxosceles laeta (Nicolet, 1849) (Araneae, Scytodidae)

  María Elena Galiano

  431-464

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