The water volume was 50.179 cm3.The paper gives the results of nearly 100 measurements on the solubility of CO2 in aqueous Na2CO3, Na3PO4 and in calf, dog and horse blood, serum and various mixtures. The blood, serum and aqueous base solutions did not obey Henry's law. The data were not compiled. Most of the experiments were done at 15.2 °C.