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Hershey & Soskin [1931] reported that fat infiltration into the liver of depancreatized dogs was accelerated when a relatively saturated fat, such as beef suet, was added to a diet of lean meat and sucrose; in contrast, the addition of the highly unsaturated fat codliver oil had no such effect, for a dog receiving it showed no symptoms of liver dysfunction and' at post-mortem examination the fat content of its liver was found to be normal.Further study of the effect' of the nature of food fat on the amount of fat deposited in the liver was made by Channon & Wilkinson [1936] in experiments on dietary fatty liver production in rats. In this works six different fats-butter fat, beef dripping, palm oil, coconut oil, olive oil and cod-liver oil-chosen because of the wide differences in their chemical composition, were used. The results showed that with the single exception of coconut oil (i.v. 10) the amounts of fat deposited in the'liver varied inversely with the iodine value, butter (i.v. 33) causing.6 times the degree of fat infiltration which resulted from cod-liver oil (i.v. 145). When the results were considered in relation to the saturated 'acid content of the fats, it seemed that without exception the fat deposition depended

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The methods used by the Government Laboratory in the examination of dried egg during the period from 1942 to the present day are described, including the use of physical and chemical properties for calculating a numerical equivalent of the flavour score, A revised equation is given, which brings all known forms of deterioration in spray‐dried egg within the scope of this calculation.

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