. Boletin de la Sociedad de Biología de Concepción. Sociedad de Biología de Concepción; Biology; Biology. FIGURA 4 Dibujo esqumeático de un haz con dos trá- queas anilladas sueltas en el canal vascular o meato (según Sachs).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Sociedad de Biología de Concepción; Sociedad de Bioquímica de Concepción; Universidad de Concepción. Concepción [Universidad de Concepción]

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Keywords: ., bookcentury1900, bookcollecti, bookdecade1920, booksubjectbiology