Howell, C.J.Jansen, B.C.2016-11-092016-11-0920161966Howell, CJ,1966, 'Studies on karyotypes of South African Argasidae. 1. Ornithodoros savignyi (Audouin), 1827’, Onderstepoort Journal of Veterinary Research, vol. 33, no. 1, pp. 93-98.0330-2465http://hdl.handle.net/2263/57845The journals have been scanned in colour with a HP 5590 scanner; 600 dpi. Adobe Acrobat v.11 was used to OCR the text and also for the merging and conversion to the final presentation PDF-format.(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.en© 1966 ARC - Onderstepoort and Faculty of Veterinary Science, University of Pretoria (original). © 2016 University of Pretoria. Dept. of Library Services (digital).Veterinary medicineVeterinary medicine -- South AfricaArticle