The following food leaves the stomach in 1 to 2 hours:— 100 to 200 gr. of pure water. 220 gr. aërated water. 200 gr. tea. 200 gr. coffee. 200 gr. beer. 200 gr. light wine. 100 to 200 gr. milk. 200 gr. bouillon. 100 gr. eggs (soft boiled). A longer time, 2 to 3 hours, is required for the digestion of the following food:— 200 gr. coffee with cream. 200 gr. cocoa with milk. 300 to 500 gr. water. 300 to 500 gr. beer. 300 to 500 gr. milk. 100 gr. raw eggs, hard boiled eggs, or omelette. 250 gr. sweetbread, boiled. 200 gr. dried cod, boiled. 150 gr. asparagus, boiled. 150 gr. potatoes, boiled. 150 gr. potatoes, mashed. 150 gr. cherries, a compôte. 150 gr. cherries, raw. 70 gr. white bread, new or stale, dry or with tea. 72 gr. fresh oysters, boiled. 200 gr. carp, boiled. 200 gr. pike, boiled. 200 gr. haddock. 70 gr. biscuit, fresh or stale, dry or with tea. 50 gr. Albert biscuits. A still longer time, 3 to 4 hours, is required by:— 230 gr. young chickens, boiled. 230 gr. partridges. 220 to 260 gr. pigeons. 195 gr. pigeon, roast or broiled. 250 gr. beef, boiled. 160 gr. ham, raw or boiled. 100 gr. roast veal, hot or cold. 100 gr. beefsteak, roasted. 100 gr. sirloin of beef. 200 gr. salmon, boiled. 72 gr. caviar, salted. 150 gr. dark bread. 150 gr. brown bread. 150 gr. white bread. 100 to 150 gr. Albert biscuits. 150 gr. potatoes. 150 gr. kohlrabs, boiled. 150 gr. carrots. 150 gr. spinach. 150 gr. cucumber salads. 50 gr. apples. The following food demands the longest time for its digestion:— 210 gr. pigeons, roasted. 250 gr. filet of beef, roasted. 250 gr. beef steak, roasted. 250 gr. tongue, smoked. 200 gr. hare, roasted. 240 gr. partridges, roasted. 250 gr. goose, roasted. 250 gr. duck, roasted. 200 gr. herring, salad. 150 gr. lentils, mashed. 200 gr. peas, mashed. 150 gr. green beans, boiled.