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- Microtus richardsoni.
Mt [Mount] Revelstoke, B.C. [British Columbia] July 5, 1937.
At last I believe I have found
a colony of these elusive mice.
I have set several traps in
large runways along a rapid
mt. [mountain] stream!
Mt. [Mount] Revelstoke
Took an ad. [adult] [female symbol] Microtus richardsoni
last night, in a trap set below
a little waterfall in a mountain
stream. This [female symbol] had six foetuses
of about 14 mm [millimetres].
Cuttings in the runways +
burrows consist of large leaved
saxifrage Leptarrhena pyrolifolia [inserted above], aster, heliotrope,
purple flowered solomon's seal Streptopilus [Streptopus] roseus [inserted above],
rein orchid Habenaria viridiflora [inserted above] veratrum + the
feathery leaved plant Pedicularis bracteosa [inserted above] (see spec. [species])
In one place, under a log I found
a cup shaped nest made of dry
grass, from this a well marked
runway led 6' to the stream
across it, through a clump
of willow + into another
stream 12 ft [feet] away.
For a distance of 100 yards
down the stream were occasional
burrows + some fresh cuttings
In many places the cutting
were under some boulder
or under the shelving bank
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