Proceedings of the Royal Society for April, 1869
Royal Society of Tasmania , (1869) Proceedings of the Royal Society for April, 1869. Monthly Notices of Papers & Proceedings of the Royal Society of Tasmania . pp. 5-6.
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The monthly evening meeting of the Fellows was held on Tuesday, the
13th April, T. Giblin, Esq., in the chair.
Mr. M. Allport informed the meeting that he had this season successfully
stripped and fecundated the ova from the indigenous grayling
(Prototroctes muraena). The male and female fish were taken with the rod
at the Falls, New Norfolk, during the last week in March. The ova
were brought to town and deposited in a slate tray with a gentle stream of
water running through it. The embryos first showed in 3 days and hatched
out in 8 to 12 days. Unfortunately the delicate little fish scarcely survived
the extrusion from the egg more than a few minutes, and were all lost,
probably from want of greater depth, or other physical condition of the
water, of which we are at present ignorant. The main interest attaching
to the experiment is, that it upsets the theory long held by many fishermen
that these fish spawn in salt water.
It also includes a discussion of sheep fluke.
|Keywords:||Royal Society of Tasmania, Van Diemens Land, VDL, Hobart Town, natural sciences, proceedings, records|
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|Deposited On:||24 Aug 2012 15:47|
|Last Modified:||25 Mar 2013 14:20|
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