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Henzell requests information regarding the practical application of Mendelian theories to the breeding of Merino sheep.

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Bolam thanks Ewart for his paper 'The Nestling Feathers of the Mallard' and makes some remarks on the applicability of Mendelism to sheep breeding.

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Crichton-Stuart, who signs himself 'Bute', writes that he was interested to hear of the results of Ewart's experiments with the crossbred fat-tailed sheep, and that he will look forward to reading Ewart's paper on the subject after the war. He asks Ewart whether the experiments have tended to strengthen Mendel's theories or not. He wishes he could be in Edinburgh but his military duties keep him in North Wales.

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Haveley thanks Ewart for his advice on selecting the most suitable stallion for their pack mares and states that he would like to get a better understanding of Mendelism. He describes his experience with different breeds of horses in the army. He is making enquiries about the Goonhilly breed of pony in Cornwall, and is going to East Cornwall to see some dun mares that have been offered him.

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Alexander asks whether Ewart still has the Przewalski's colt, as his own colt is ill. He reports that his various sheep flocks are looking their best, and that he wishes Ewart would try on Mendelian lines to get rid of the wool on tame sheep by crossing with wild ones.

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Alexander reports that his colt is dead. He believes he has enough evidence to prove that in the matter of wool, sheep are not Mendelian, and provides details from his own breeding experiments.

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Ridgeway apologises for losing Ewart's manuscript. He reports on his visits to potential funders in Ireland and describes 'a young Mendelian' called Lock who has just been elected a fellow of Gonville and Caius College, Cambridge,

Scope and Contents Ridgeway states that he will leave room in his paper for Ewart's new-found reference to the habitat of Ward's zebra. He seeks Ewart's advice on various unidentified horse skulls in the museum in Cambridge. He states that, as Bateson considers it unlikely that any Mendelian study on horses or other large mammals will take place in Cambridge, this could strengthen Ewart's case with the Board of Agriculture on establishing a research station. He mentions the skins of Ward's zebras which are...

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Peacock thanks Lord Selbourne for his interest in the breeding experiments with Dartmoor ponies and old Devon packhorses. He is preparing a memorandum of their current work and plans for the future which he will send to Selbourne and also to Ewart, whom Peacock wishes to consult regarding the application of Mendelian principles to the pack horse. He goes on to describe the breeding work in South Devon between a Norfolk-Roadster stallion and mares with packhorse pedigrees.

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Contains handwritten notes on a variety of subjects, mainly Mendelian factors in plant genetics, and summaries of reading material, such as R.A. Fisher's The Design of Experiments and J.B.S. Haldane's Relations Between Physiology and Genetics.