Conch-L crowd....thanks for the info on parasites,etc.  but I was actually
just trying to find out if there were any shell contacts in Bangkok and
Perth.  Got a few names in Perth, i.e. Hugh Morrison and Merv Cooper....and
someone mentioned a Tom Rice in Bangkok...any info on the latter? i.e. where
he is located?  Back in the 70's when I visited Bangkok,it was possible to
find shells at the open air markets....anyone know if that is still the case
out there, and if so where would be the best place to look?
Thanks,
Bev - Clearwater


>From: "Harry G. Lee" <[log in to unmask]>
>Reply-To: Conchologists List <[log in to unmask]>
>To: [log in to unmask]
>Subject: Re: Trips to Perth, Australia and Bangkok, Thailand
>Date: Sun, 5 Nov 2006 16:09:43 -0500
>
>Dear David,
>
>I agree with Dick. At <http://www.jaxshells.org/mollusks.htm> is a
>brief discussion of some of the mollusk-trematode-human interactions.
>
>Harry
>
>
>At 08:12 AM 11/5/2006, you wrote:
>>David:
>>
>>Eating snails is not the cause of schistosomiasis.  There are a number of
>>good articles on the subject, including one listing areas where caution
>>should be taken, to be found with a Google search. The following paragraph
>>is from one of them. The "parasites" mentioned are more properly termed
>>cercaria.  Certain snails act as intermediate hosts and do not directly
>>transmit the disease.
>>
>>Fresh water becomes contaminated by Schistosoma eggs when infected people
>>urinate or defecate in the water. The eggs hatch, and if certain types of
>>snails are present in the water, the parasites grow and develop inside the
>>snails. The parasite leaves the snail and enters the water where it can
>>survive for about 48 hours. Schistosoma parasites can penetrate the skin
>>of
>>persons who are wading, swimming, bathing, or washing in contaminated
>>water.
>>Within several weeks, worms grow inside the blood vessels of the body and
>>produce eggs. Some of these eggs travel to the bladder or intestines and
>>are
>>passed into the urine or stool.
>>
>>I do not think Tom has any associaton with the museum you mentioned but am
>>not positive.
>>
>>Regards,
>>
>>Dick Petit
>
>Harry G. Lee, M. D.
>4132 Ortega Forest Dr.
>Jacksonville, FL 32210 USA
>voice (904) 389 4049
>email: [log in to unmask]
>look at www.jaxshells.org
>
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