Items 21-30, as follows:
21. B J Weir, ‘The evocation of oestrus in the cuis, galea musteloides,’ Journal of Reproduction and Fertility 26, pp 405-408, 1971;
22. B J Weir, ‘A trapping technique for tuco-tucos, Ctenomys talarum’, Journal of Mammalogy 52, pp 836- 839, 1971;
23. B J Weir, ‘Some notes on the history of the domestic guinea-pig’, Guinea-Pig Newsletter 5, pp 2-5, 1972;
24. W George and B J Weir, ‘Record chromosome number in a mammal?’, Nature New Biology 236, pp 205-206, 1972;
25. W George and B J Weir, ‘The chromosomes of some octodontids with special reference to Octodontomys (Rodentia; Hystricomorpha)’, Chromosoma 37, pp 53-62, 1972;
26. N D Carter, M R Hill and B J Weir, ‘Genetic variation of phosphoglucose isomerase in some hystricomorph rodents’, Biochemical Genetics 6, pp 147-156, 1972;
27. D Bellamy and B J Weir, ‘Urine composition of some hystricomorph rodents confined to metabolism cages’, Comparative Biochemistry and Physiology 42A, pp 759-771, 1972;
28. P H Wise and B J Weir, ‘The diabetic syndrome in the tuco-tuco (Ctenomys talarum)’, Diabetologia 8, pp 165-172, 1972;
29. W George, B J Weir and J Bedford, ‘Chromosome studies in some members of the family Caviidae (Mammalia: Rodentia)’, Journal of Zoology 168, pp 81-89, 1972;
30. B J Weir, ‘The Chinchilla’ in ‘The UFAW Handbook on the care and management of laboratory animals’, 4th Edition, pp 269-277, Churchill Livingstone, Edinburgh and London, 1972 [NOT PRESENT IN FILE].