Showing 19,101 - 19,120 results of 69,502 for search '', query time: 0.05s Refine Results
19101
Some urocoptid land snails from Hispaniola
by Thompson, Fred G., Franz, Richard
Published 1976
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19102
Taxonomic position of two fossil social bees (Apidae)
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19103
Acción del Cloramfenicol sobre el embrión de pollo
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19104
Clasificación topográfica de las hemoglobinas anormales
by Sáenz, German F.
Published 1976
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19105
Efectos cardiovasculares del veneno de Bothrops asper en corazón de anfibios
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19106
Desarrollo Anatómico de los Meristemas y tallos de Alnus jorullensis H. B. K.
by Montiel L., Mayra B.
Published 1976
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19107
Comparación anatómico-taxonómica de Setaria magna Griseb. y Setaria geniculata (Lam.) Beauv. de Florida, EE. UU.
by Montiel L., Mayra B.
Published 1976
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19108
Ecology, anatomy and redescription of Laternea pusilla
by Sáenz, J. A.
Published 1976
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19109
Las abejas jicotes del género Melipona (Apidae: Meliponini) de Costa Rica
by Wille, Alvaro
Published 1976
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19110
Sweep samples of tropical deciduous forest foliage-inhabiting insects: seasonal changes and inter-field differences in adult bugs and beetles
by Janzen, Daniel H.
Published 1976
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19111
Observations on the role of mollusks and planarians in the transmission of Angiostrongylus cantonensis infection to man in new caledonia
by Ash, Lawrence R.
Published 1976
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19112
Trichinella spiralis: size of F1 generations produced in mice by transplanted femates or from infections with known numbers of male and femate larvae
by Kozek, Wieslaw J.
Published 1976
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19113
Reseña de libros: Mineral cycling in a tropical moist forest ecosystem
by Fournier O., Luis A.
Published 1976
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19114
An unpublished letter from La Gasca to De Candolle
by Constance, Lincoln
Published 1975
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19115
Desarrollo y crecimiento del ápice vegetativo en Acnistus arborescens. II. Desarrollo del procambio y los tejidos vasculares y crecimiento de la lámina foliar
by Mora, Dora Emilia
Published 1975
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19116
Efecto de la ceniza del Volcán: Irazú (Costa Rica) en algunos insectos
by Wille, Alvaro, Fuentes, Gilbert
Published 1975
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19117
Descripción de un método simple y económico para el estudio de cariotipos en serpientes
by Taylor, R., Bolaños, R.
Published 1975
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19118
El chirrido o silbido de las reinas vírgenes de la abeja común (Apis mellifera L.)
by Ramírez B., William
Published 1975
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19119
Taxonomy and biological aspects of the Central American cichlid fishes Cichlasoma sieboldii and C. tuba
by Bussing, William A.
Published 1975
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19120
Observations on the reproduction and ecology of the tropical montane toad, Bufo holdridgei Taylor in Costa Rica
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