t g blood per 100 g body weight. * Volume per cent. 



Sources: 1, Derrickson and Amberson (33); 2, Martin (84) and quoted by Prosser (108); 3, Welcker, 

 quoted by Reichert and Brown (113); 4, Nagel (93); 5, Krogh (78); 6, Prosser and Weinstein (110); 7, 

 Barcroft and Barcroft (9); 8, Borden (15); 9, Korjuiev and Nikolskaya (74); 10, Burger and Bradley (19); 

 11, Hall (53); 12, Fange and Akesson (39); 13, Hyde (62); 14, Martin (85); 15, Burger and Smythe (20). 



