Items 41-50, as follows:
41. W George and B J Weir, ‘Hystricomorph chromosomes’, Symposia of the Zoological Society of London 34, pp 79-108, 1974;
42. B J Weir, ‘The tuco-tuco and the plains viscacha’, Symposia of the Zoological Society of London 34, pp 113-130, 1974;
43. B J Weir, ‘Reproductive characteristics of hystricomorph rodents’, Symposia of the Zoological Society of London 34, pp 265-301, 1974;
44. B J Weir and I W Rowlands, ‘Functional anatomy of the hystricomorph ovary’, Symposia of the Zoological Society of London 34, pp 303-332, 1974;
45. R W J Neville, B J Weir and N R Lazarus, ‘Hystricomorph insulins’, Symposia of the Zoological Society of London 34, pp 417-436, 1974;
46. B J Weir, ‘Notes on the origin of the domestic guinea-pig’, Symposia of the Zoological Society of London 34, pp 437-446, 1974;
46A. I W Rowlands and Barbara J Weir, 'D.4 The reproductive anatomy and physiology of the plains viscacha (Lagostomus maximus)', short entry on p.44 of Proceedings of the Anatomical Society of Great Britain and Ireland, no date [circa 1975];
47. Ed. I W Rowlands and B J Weir, ‘The Biology of Hystricomorph Rodents’, Symposia of the Zoological Society of London 34, pp 1-482, 1974 [NOT PRESENT IN FILE];
48. B J Weir, ‘The chinchilla’ in: ‘UFAW Handbook on the Care and Management of Laboratory Animals’ 5th Edition, Chapter 23, pp 275-283, Churchill Livingstone, Edinburgh, 1976 [NOT PRESENT IN FILE];
49. B J Weir, ‘Laboratory hystricomorph rodents other than the guinea-pig and chinchilla’ in: ‘UFAW Handbook on the Care and Management of Laboratory Animals’ 5th Edition, Chapter 24, pp 284-292, Churchill Livingstone, Edinburgh, 1976 [NOT PRESENT IN FILE];
50. B J Weir, ‘Diets (natural and synthetic): hystricomorph and cavimorph rodents other than the guinea-pig’ in: ‘CRC Handbook Series on Nutrition and Food: Section G: Diets, Culture Media, Food Supplements.’ Vol 1, Diets for Mammals, pp 151-157, Ed. J Rechcigl, CRC Press, Cleveland, 1977 [NOT PRESENT IN FILE].