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Contents of an envelope so inscribed. Correspondence to Bateson from Florence E. Frowd relating to breeding of cats (particularly 'silver cats'), with accompanying notes on 'The Chinchilla Variety', pedigrees and two specimens of cats' fur. Included is one further letter (undated) from another.

Leaflets, catalogue and flyer from The Royal Society exhibition 'New Frontiers in Science' including an exhibit from the John Innes Centre on genetically modified crops.

From H V Taylor, Ministry of Agriculture on canning fruit

Condolence letter on death of AD Hall's father from Dr Johannes Paulus Lotsy (Holland), letter and black edged envelope

From CD Darlington to the Royal Society: application for a grant

1 photograph and 3 negative strips: 1. B&w photograph of flowers and stems, back labelled 'Frittillaria tenella', no date. 2. B&w negative strip labelled 'Frittillaria obliqua. 3. B&w negative strip labelled 'Frittillaria latifolia. 4. B&w negative strip labelled 'Frittillaria pudica.

French Society of Microbiology Meeting, Inst. Pasteur, paris, 2 Dec, 1976

35mm colour slides showing flower mutations in freesia varieties and seedlings.

Frank P McWhorter to AD Hall: McWhorter's article on tulips, 'Correlation between Self Breaking and Blue Nuclei Among Certain Commercial Tulip Varieties', 'A Latent Virus of Lily', virus analysis, , double virus theory, tulip inoculation, Parrot tulips, mosaic disease of bulbs, MB McKay.

Collection of 9 paintings of yellow tulips, mounted and framed, some signed. Originals or similar to illustrations for The Genus Tulipa: Plate II: T. urumiensis, Plate III: T. silvestris, Plate XVI: T. stellarta, Plate XXI: T. galatica