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Índice de Puerto Rico
 
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Variaciones sobre un tema de Nietzsche : la música

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Variations in Morphology and Coloration in the Black Hamlet, Hypoplectrus nigricants (Teleostei: Serranidae)

Black hamlet (Hypoplectrus nigricans) was observed to vary in colortion and morphology in Puerto Rico, Mexico and Belize. H. nigricans from Puerto Rico exhibited a larger, grayish body (pectoral) fins transparent) with long and pointed pelvic fins, and lunate caudal fin, while individuals from Mexico and Belize eshibited a smaller, darder body (including pectoral fins), with shorter and no pointed pelvic fins, and a truncated caudal fin. Occurrence of colorationand morphology variations of H. nigricans had not been previously noted, and this is the first record of such in the western Atlantic. Color variants are known for at least four species of Hypoplectrus; however, these variants appear to be sympatic in the same geographic region. In contrast, H. nigricans variants were not found in Puerto Rico, while larger, grayish variants were not found in Mexico or Belize. Reasons for the occurrence of geographically segregated H. nigricans variants are not fully understood, but a hypothesis that may explain it, still needing further testing, is ongoing speciation.
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Vega Baja (reseña) : notas para su historia

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Veinticinco años del ensayo puertorriqueño

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Veinticinco años del ensayo puertorriqueño (1930-1655) / Mariana Robles De Cardona

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La vela adaptada.

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Velorio (partitura)

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El velorio que oyo Palés de niño en Guayama

Comparación entre la experiencia infantil que narra Palés del canto de un velorio de un niño y la grabación del mismo canto realizada en 1932 en Nueva York y transcrito por Jack Delano.
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Venció su barrera auditiva y donqueó con su legado / Eduardo L. Questell Rodríguez, Agustín Díaz, Héctor Ortiz y Walter Ortiz Zabala.

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El vendaval (recurso electrónico) / por Benjamín Torres Gotay

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