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long dry season during a cooler
winter. Most of the trees are
deciduous, among them teak.
The hills support an open forest
of Shorea sp. primarily,
averaging 20-30 ft. in height,
with an understory of bamboo,
(5 ft high), grass (2 ft.),
and scattered broad-leafed
herbs and woody bushes. Stratified
schists, containing a large amount
of mica, have crumbled and
stream the slopes with loose
stones. The soil is soft and
loose but heavily beaten by
rain. The flora displayed
the full lush growth of the
rainy season but showed
definite signs of fire during
the dry season.

Some of the specimens, largely
hymenoptera, were collected
at hybiscus and other flowering
bushes in the community not
far from the dam. Grasshoppers
and other groups were taken
in the grass and bamboo understory
of the light, open forest on
the slopes above the dam.

Weather - overcast, sporadic →

STOP 275, THAILAND:
MAE CHIANG HAI, 200 METERS,
VII-13-62
100 specimens

A short morning stop in
a flat forest laregely of Shorea
about 30 ft. tall. Open, light
forest with an understory of
low, scattered bushes, occasional
palms 5 ft. high, and many
cycads 2 ft. high. Ground
grey, loose and somewhat sandy,
heavily beaten by rain, and
nearly bare of vegetative cover.

All specimens in alcohol -
taken primarily under rotting
logs on the forest floor.

Ground wet, slightly drier
under larger logs. Weather overcast,
periodic showers.
80° F.

light rainfall. Temperature,
average 80° F.