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I'm trying to identify a single-celled organism I've found in samples of =
rainwater runoff taken from
road gutters, puddles, etc. It appears to consist of a flared, or =
bell-shaped, body and is attached
to an anchoring point by a long, thin tubule. Occasionally, the =
organism will contract violently into
a sphere, remaing clenched like this for several seconds before opening =
again and resuming its
feeding. Feeding seems to be accomplished by fanning flattened =
projections in front of the flared
opening, drawing water inside. After mitosis, one of the organisms =
swims away at high speed, using
the same fanning technique used for feeding. Any info would be =
appreciated, as well as reccomendations
for a good reference book for identifying protozoans.
=
Michael Bell
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<DIV><FONT color=3D#000000 size=3D2>I'm trying to identify a =
single-celled organism=20
I've found in samples of rainwater runoff taken from</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2>road gutters, puddles, etc. It =
appears to=20
consist of a flared, or bell-shaped, body and is attached</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2>to an anchoring point by a long, =
thin=20
tubule. Occasionally, the organism will contract violently=20
into</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2>a sphere, remaing clenched like this =
for several=20
seconds before opening again and resuming its</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2>feeding. Feeding seems to be =
accomplished=20
by fanning flattened projections in front of the flared</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2>opening, drawing water inside. =
After=20
mitosis, one of the organisms swims away at high speed, =
using</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2>the same fanning technique used for=20
feeding. Any info would be appreciated, as well as=20
reccomendations</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2>for a good reference book for =
identifying=20
protozoans.</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000=20
size=3D2> &nbs=
p;  =
; =
&=
nbsp; &n=
bsp; &nb=
sp; &nbs=
p;  =
; =20
Michael Bell</FONT></DIV></BODY></HTML>
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