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Transcription
W. Riener
1949
Journal
16 Apr. Pinehurst, Contra Costa Co., Calif.
1215-1600 spent in area. Weather,
as during past week, clear and
sunny. Stream level down some more.
Water in pools clear and quiet.
Temp. at 1250: air 16.6; water 11.4.
8 Triturus taken and 1 additional
seen in stream. 5 of 8 newly
marked (3 ♂♂ - 2 juveniles). 3
recaptures from last week (2♀♀ -
1 juvenile). All in lower area.
♂♂ tend to be losing breeding
characteristics of pigmentation and
form. Two adults noted (DOR)
on road and may represent
return to upland areas before
ground dries too thoroughly.
28 clusters now noted in area.
23 Apr. 1130-1440 spent in area. Weather, as during
past week clear and sunny. Stream level
g rad ually dropping. Even deepest pools
clear. Few areas of rapid current
left but stream generally quiet
or with moderate currents in
narrow channels. Temperature at 1415:
air 18.4, water 13.6. 11 Triturus
taken. 9 new (4 ♂♂, 1 ♀♀, 4 juveniles);
and 2 returns. 18 returns last taken