Swart, P.J.; Jansen, B.C.(Pretoria : The Government Printer, 1966)
Several adult Nilocotyle (N.) praesphinctris Näsmark, 1937, were recovered from
hippopotami shot in the Kruger National Park. For the description of these the
division of Nilocotyle by Yamaguti 1958, into two subgenera: ...
Gothe, Rainer; Jansen, B.C.(Pretoria : The Government Printer, 1966)
In Ornithodoros moubata the sex chromatin body could be demonstrated only
in the female interphase nuclei of the rectal ampulla, malpighian tubes, ganglion and
the accessory sex glands.
These findings allow the conclusion ...
Van Rensburg, S.W.J.; De Vos, W.H.; Van Rensburg, S.J.; Jansen, B.C.(Pretoria : The Government Printer, 1966)
The occurrence of sperm disintegration in Guernsey bulls in South Africa was
investigated in thirteen animals that were either sterile or displayed low fertility.
One of these was kept under observation and subjected to ...
Howell, C.J.; Jansen, B.C.(Pretoria : The Government Printer, 1966)
(1) The karyotype of 0. savigny is described for the first time.
(2) The chromosome number of both male and female is 2n = 20.
(3) The presence of sex-chromosomes in the genus Ornithodoros is confirmed.
Basson, P.A.; Jansen, B.C.(Pretoria : The Government Printer, 1966)
Details of chemotherapeutic and chemoprophylactic trials with systemic organic
phosphorus compounds on specific oculo-vascular myiasis under field conditions are
given. The results proved encouraging and showed that ...
Pienaar, J.G.; Basson, P.A.; Van der Merwe, J.L.de B.; Jansen, B.C.(Pretoria : The Government Printer, 1966)
The most significant pathological changes in the central nervous system of 27
cases of heartwater are described. In addition to leucostasis and cell infiltration in the
perivascular and subarachnoid spaces described ...
Dreyer, Jan Hendrik; Jansen, B.C.(Pretoria : The Government Printer, 1966)
I. A brief review of the present knowledge of hair and its structure is given.
2. Classification schemes for the various fibre and medulla outlines as seen in
cross-sections, pigment characteristics and medullary structure ...