The contents are as follows: (i) Photographs of newts and fish used in experimental work at University College, London (cf MS.20649) between 1945 and 1956 (folio 1); (ii) Snapshots of Helen Haldane and colleagues taken in October 1960 at Gangapur (folio 98); (iii) Various snapshots taken in unidentified circumstances (folio 113); (iv) Photographs and drawings concerning Haldane’s paper on tortoises, a copy of the text of which is at MS 20653, folio 174 (folio 151).