- Page 1
- Contents
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- Fig. 4
- Fig. 2
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- Fig. 3
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- Figs. 9-11
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- Perez: Un oribatido del Eoceno
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- Figs. 1c, 2a-b
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- Figs. 1-6
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- Figs. 10-11
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- Figs. 1-12
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- Figs. 25-37
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- Fig. 49
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- Covarrubias: Observaciones...Collembola
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- Figs. 1-12
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- Figs. 13-16
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- Machuca: Parasitismo de noctuidos
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- Fig. 1
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- Solervicens: Presencia de Monophylla
- Figs. 1-5
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- Comentarios bibliograficos
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- Obituario
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