Childs 1959 M. oconom 4. 31 July Patwyega River, Cape Sabine, Alaska Runways and signs very abundant. Transients producing fewer mice and most adults appear to be out of reproductive condition 4 Aug Check early vs late runs for % adults. Also sex ratio - seems predominately male in sub-adults. E. angustifolia in T5-T8 is lower thick. Why is T8 so productive? Marsh behind tent is muddled with runways, hardly a square foot without one. 6 Aug Immature now reside in the tent. This is probably due to population pressure.