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Contributions to applied ecology to wildlife and natural areas. VII Available methods, their limitations and aplicability for quantitative studies for avian communities in some different aquatic habitats in south of Argentina. The importance of quantitative studies (census, sampling and index) of bird colonies and communities is emphasized. This kinds of information is needed in all programs of investigation and conservation. It is also important for detailed understanding of the dynamic of avian population and bioenergetic interelationahips. The diverse censal methods were applied in the fleld in the following fresh-water and marine habitats: 1) Fresh-water bird communities (Laguna Blanca, Neuquén); 2) Patagonian seacoast (península Valdés-Bahía Janssen-Bahía Bustamante, Chubut); 3) Oceanic and pelagic environment (Puerto Argentino-Puerto San Carlos, Islas Malvinas). The limitation of the different methods used by author are discussed.

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GUIDE FOR THE CODIFIED THE EXTERNAL AND OTHER ADDITIONAL CHARACTERS OF THE BIRDS FOR ETHOLOGICAL STUDIES: THEORETICAL AND METHODOLOGICAL FOUNDATIONS. In this paper, the authors intends to explain the theoretical and methodological foundations refered to the further study or exhaustive analysis of the exosomatic characteristics and other complementary data for to research of the animal behaviour and display patterns (specially in birds, at the present), and its aplicattions in the human ethological studies. Will be presented, in other future contributions, the analitical development of the results obteined, in order to made the adjusting the theoretical and methodological foundations here proposed.

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Guide for the preparation and publication of Techno-Scientific constribution in the field of Ornithology and Natural Sciences. In this guidc, the author furnishes a series of patterns and recomendations for to perform papers and comments concerning ornithological research. It is directed to those starting as field, laboratory or desk investigators and/or future contributers to <i> El Hornero</i> a specialized review, published by the Asociación Ornitológica del Plata (A.O.P.), Buenos Aires, Argentina. The main outlines and topics treated are valid for similar purposcs in other scientific fields or specialities, particulary in Natural Sciences.

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Guide and Pattern for the Classification ot Argentine and Neotropical Otnithological Bibliography. In this paper, 79 works related to Ornithology, which were published in Neotropica (Notas Zoológicas Americanas, Sociedad Zoológica del Plata, La Plata, Argentina) from 1954 to 1978 (Vol. 1, N° 1/Vol. 24, N° 72), are analized and classified as guide and pattern for the preparation and publication an exhaustive compilation of the Sistematized Argentine an Neotropical Ornithological Bibliography. From this works, 2 (2,5%) refers to Anatomy, 25 (31,7%) to Taxonomy, 32 (40,5%) to Zoogeography, 1 (1,3%) to Biology, 17 (21,5%) to Ecology (including Bird Banding and Migration), and 2 (2,5%) to Applied Ornithology. We hare not taken into account for determining the percents the affinity or relatedness of subjects, e.g. papers that can be inc1uded in to more than one subjects. They cover 579 species and subspecies corresponding to the 64 following families: Spheniscidae (8), Rheidae (1), Tinamidae (31), Podicipedidae (4), Diomedeidae (6), Phalacrocoracidae (7), Ardeidae (10), Ciconüdae (2), Threskiomithidae (4), Phoenicopteridae (1), Anhirnidae (1), Anatidac (31), Accipitridae (13), Falconidae (5), Cracidae (5), Phasianidae (3), Aramidae (1), Rallidae (12), Jacanidae (1), Rostratulidae (1), Haematopodidae (2), Recurvirostridae (1), Charadriidae (6), Scolopacidae (30), Phalaropodidae (1), Stercorariidae (8), Laridae (22), Rynchopidae (1), Columbidae (17), Psittacidae (5), Cuculidae (8), Tytonidae (1), Strigidae (11), Caprimulgidae (13), Apodidae (2), Trochilidae (13), Alcedinidae (3), Momotidae (1), Bucconidae (1), Ramphastidae (2), Picidae (14). Dendrocolaptidae (5), Furnariidae (36), Formicariidae (11), Conopophagidae (2), Rhinocryptidae (1), Cotingidae (3). Pipridae (4), Tyrannidae (62), Phytotomidae (2). Hirundinidae (10), Corvidae (1), Troglodytidae (2), Mirnidae (3), Turdidae (1), Sylviidae (1), Motocillidae (4), Ploceidae (1). Vireonidae (1), Icteridae (17), Parulidae (6), Coerebidae (2). Thraupidae (17). and Fringillidae (63). Drawings representing the results and statistics obtained in this paper are attached.

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Faunistic and bioecological notes of Península Valdés and Patagonia. V. Bird banding in Patagonian maritime littoral (Provinces of Chubut and Santa Cruz, Argentina).

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Faunistic and bioecological notes of Península Valdés and Patagonia.VI. Breeding areas and nesting studies of the birds of the Patagonian maritime littoral (Provinces of Chubut and Santa Cruz, Argentina)

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Faunistic and bioecological note. of Península Valdéz and Patagonia. XXVI. Behavioral satudies of breeding magellanic penguin <i>Spheniscus magellanicus </i> ,at Bahia Janssen colonies, Chubut, Argentina. During the breeding season 1970-1971 the author studied the breeding of Magellanic

Penguin in a nesting colony at Janssen Bay, Tombo Point, Chubut (44°11'S and 65° 33' 24" W). Additional studies were made in the breeding season 1972-1973 and 1973-1974, in the another nearby colony at Clara Point (43°53'S and 65° 15' W). Data is given on pair formation, nesting, pairing behavior, laying and incubation, mortality, molt, migration and other behaviors. The diverse methods for field information included are: observations, drawings ethogramme shedules, adopting a displays code, photographs, circular censuses, square and linear transects, as well as marking with plastic collars, paint, tags and aluminium bands.

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Indian bird names from Tierra del Fuego. The author of this compilation was the late Percival W. Reynolds. His wife and brother generously allowed us to publish the manuscript, presented here as a tribute to the memory of this ornithologist. Bird names are given in Ona language ( ), Yahgan [ ], Spanish and English. The scientific nomenclature has beenupdated. Only species with Indian names are included.