Last March, Silvia Purata, Antonio Sierra, and I reviewed some of the dendrometer bands (see How to Make Dendrometer Bands) that we had left in the Selva Maya to measure tree growth (see Selva Maya III). In most cases, the bands were in good condition and recording notable diameter increments. In other cases, well...[NOTE: In spite of hurricanes (see Selva Maya Interrupted), lost calipers, and various other setbacks, this research has collected an unprecedented amount of information about the growth of timber trees in the Selva Maya. Deep bows to all involved.]