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Plotonus nkunga, a new species of catfish from South Africa, with a redescription of Plotosus limbatus Valenciennes and key to the species of Plotosus (Siluriformes: Plotosidae)

  • Authors: Gomon, Janet R , Taylor, William Ralph , J.L.B. Smith Institute of Ichthyology
  • Date: 1982-08
  • Subjects: Catfishes
  • Language: English
  • Type: text , book
  • Identifier: http://hdl.handle.net/10962/69871 , vital:29590 , Margaret Smith Library (South African Institute for Aquatic Biodiversity (SAIAB)) Periodicals Margaret Smith Library (South African Institute for Aquatic Biodiversity (SAIAB))
  • Description: Online version of original print edition of the Special Publication of the J.L.B. Smith Institute of Ichthyology; No. 22 , Plotosus nkunga sp. n., from the east coast of South Africa, possibly ranging as far north as Zanzibar, is most similar to Plotosus limbatus Valenciennes, from the coasts of India, Sri Lanka, Kenya and Aldabra. Plotosus nkunga differs most notably in having fewer total gill rakers on the anterior faces of the first two arches, 16 to 21 versus 20 to 25 first arch, 16 to 24 versus 23 to 27 second arch; in having modally one more precaudal vertebra and slight modal differences in number of ribs and branchiostegal rays; in the shapes of the mesethmoid and the parapophyses of the fourth and fifth centra of the anterior complex vertebra; in the length of the maxilla; and in certain body proportions. Descriptions, annotated synonymies and illustrations are given for both species. A key to the five known species of Plotosus is presented.
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  • Date Issued: 1982-08

The Educational Journal

SASPU editorial style book

  • Authors: Greaves, Duncan , Quinlan, Vicky
  • Date: 1982-06
  • Subjects: Journalism -- Style manuals
  • Language: English
  • Type: text , book
  • Identifier: http://hdl.handle.net/10962/75388 , vital:30410
  • Description: Language is the tool of the journalist. Whatever the aims of the student press, little can be achieved unless copy is written in clean, correct English. The purpose of this style guide is to suggest some guidelines for correct style. Each student newspaper must make its own decisions on the issues discussed here. Many of the points made below are discussed annually at Congress; frequently the only decision is an agreement to disagree. Once a newspaper has made a decision on style, however, that decision should be scrupulously followed. The South African student press cannot be completely consistent, but any newspaper can and should be.
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  • Date Issued: 1982-06

The Educational Journal

The Educational Journal

The Educational Journal

The Educational Journal

Groote Schuur Hospital - General information on service conditions

  • Authors: Trade Union Library
  • Date: Dec 1982
  • Subjects: Trade Union Library
  • Language: English
  • Type: text
  • Identifier: http://hdl.handle.net/10962/118567 , vital:34646
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  • Date Issued: Dec 1982

Karoo basalts, South Africa: Petrogenesis and the nature of their mantle rocks

  • Authors: Marsh, Julian S , Eales, Hugh V
  • Date: 1982
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/70141 , vital:29625
  • Description: Outcrops of the Jurassic Karoo basalts and dolerites in central South Africa are remnants of a intracratonic continental igneous suite whose volume probably once exceeded 10 6km3.
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  • Date Issued: 1982

Majority rule: some notes

On becoming a psychotherapist

  • Authors: Anema, Margaret Catherine
  • Date: 1982
  • Subjects: Psychotherapist and patient , Psychotherapy , Psychotherapists
  • Language: English
  • Type: text , Thesis , Masters , MA
  • Identifier: vital:2913 , http://hdl.handle.net/10962/d1002078
  • Description: From Introduction: To learn to focus on the other, I first have to learn my natural limits. Unless my natural limits are found, I cannot focus on myself or the other with freedom. I will either draw back or intrude. As I learn my natural limits, I free the energy I previously used in questioning limits. Having recognised that I am bounded, the effect of my released energy is to deepen my space. The infinity which used to lie beyond the horizon is brought into the realm of the human where it can be useful. As a psychotherapist the deepening (that is differentiation) of my own space is very important. It means that the space I share with the other is better explored and better known. The raw data for this thesis is a record of 2½ weeks of intensive psychotherapy and 3 weeks of intensive explication. During this time I explored the interrelated themes of my own limits and the particular shadowedness of the space I shared with Tony, the person in psychotherapy with me.
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  • Date Issued: 1982

Orientation Course for New Lecturers Programme at Rhodes University, 1982

  • Authors: Henderson, Derek Scott
  • Date: 1982
  • Language: English
  • Type: text
  • Identifier: vital:7568 , http://hdl.handle.net/10962/d1018445
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  • Date Issued: 1982

Petrogenesis of Karoo magmas from Namibia and the nature of their source areas

  • Authors: Marsh, Julian S , Miller, R
  • Date: 1982
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/71299 , vital:29831
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  • Date Issued: 1982

Policy resolution adopted at the second FOSATU National congress

  • Authors: FOSATU
  • Date: 1982
  • Subjects: FOSATU
  • Language: English
  • Type: text
  • Identifier: http://hdl.handle.net/10962/155524 , vital:39889
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  • Date Issued: 1982

Rhodes Universiteit : Nabetragting van 1982 en vooruitsigte vir 1983

  • Authors: Henderson, Derek Scott
  • Date: 1982
  • Language: Afrikaans
  • Type: text
  • Identifier: vital:7576 , http://hdl.handle.net/10962/d1018453
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  • Date Issued: 1982

Rhodes University East London Division : Commencement of academic year 1982

  • Authors: Henderson, Derek Scott
  • Date: 1982
  • Language: English
  • Type: text
  • Identifier: vital:7572 , http://hdl.handle.net/10962/d1018449
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  • Date Issued: 1982

Rhodes University Graduation Ceremony 1982

  • Authors: Rhodes University
  • Date: 1982
  • Language: English
  • Type: text
  • Identifier: vital:8117 , http://hdl.handle.net/10962/d1004575
  • Description: Rhodes University Graduation Ceremonies on Friday, 16 April 1982 at 8 p.m. [and] on Saturday, 17 April 1982 at 10 a.m. in the 1820 Settlers National Monument.
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  • Date Issued: 1982

Significance of 87Sr/86Sr ratios in the Merensky cyclic unit of the Bushveld Complex

  • Authors: Kruger, Floris J , Marsh, Julian S
  • Date: 1982
  • Language: English
  • Type: text , article
  • Identifier: http://hdl.handle.net/10962/133524 , vital:36986 , https://doi.org/10.1038/298053a0
  • Description: In a number of mafic layered intrusions, layers with platinum group element (PGE) mineralization coincide with breaks in cumulus mineral composition and isotopic variation trends through the layered sequence1,2. For example, in the Bushveld Complex in South Africa, abrupt increases in initial 87Sr/86Sr ratios occur at the UG-2 and Merensky pegmatoid (or ‘reef’) horizons, both of which are exploited for PGEs. We report here the results of a detailed Sr-isotope study across the Merensky unit and its immediate foot- and hangingwall-rocks which, when considered together with new ideas on processes operating in magma chambers3–5, suggest that magma mixing and post-cumulus infiltration of liquids displaced from below were important during crystallization of the Merensky pegmatoid.
  • Full Text: false
  • Date Issued: 1982

The Educational Journal

The Educational Journal

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