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A re-examination of Professor Haswell's types of Australian Pycnogonida

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Flynn, Theodore Thomson (1919) A re-examination of Professor Haswell's types of Australian Pycnogonida. Papers & Proceedings of the Royal Society of Tasmania. pp. 70-92.

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Abstract

Diagnostic methods in the case of the interesting group
of Pycnogonida have so far altered in the last thirty
vears, that it needs no apology on my part for attempting
a revision of the descriptions of Australian Pycnogonida
published by Professor Haswell in the early eighties.
This revision has been made possible by the courtesy of the
trustees and curator of the Australian Museum, who placed
the holotypes at my disposal, and to whom I tender my
best thanks. I have also to thank Professor S. J. Johnston
of Sydney for the loan of other specimens collected for the
use of his department.
In the following description the specimens from the
Australian Museum are indicated by the collection
number.
It is necessary to state that the holotypes have been
preserved as microscope slides, and while this is a convenient
method of preservation it has its disadvantages
in the case of subsequent examinations. It is sometimes
impossible, for example, to make out with any degree
of certainty the arrangement and structure of the
spines of the ovigers or even of its joints when, as is
often the case, it is tucked under the body of the Pycnogonid
on a microscope slide. Further, while every care
has been taken with the measurements it must be remembered
that the flattening of the specimen necessary in
preparing a microscopic slide, alters very definitely the
relation of breadth to length.

Item Type: Article
Keywords: Royal Society of Tasmania, Van Diemens Land, VDL, Hobart Town, natural sciences, proceedings, records
Journal or Publication Title: Papers & Proceedings of the Royal Society of Tasmania
Page Range: pp. 70-92
Collections: Royal Society Collection > Papers & Proceedings of the Royal Society of Tasmania
Additional Information:

In 1843 the Horticultural and Botanical Society of Van Diemen's Land was founded and became the Royal Society of Van Diemen's Land for Horticulture, Botany, and the Advancement of Science in 1844. In 1855 its name changed to Royal Society of Tasmania for Horticulture, Botany, and the Advancement of Science. In 1911 the name was shortened to Royal Society of Tasmania.

Date Deposited: 02 Jan 2013 05:40
Last Modified: 15 Sep 2017 00:59
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