In the foregoing the writer discusses five species of Cestodes and one species of Nematode; of the cestodes three species are considered as new and the species from the Hoepoe is assigned to a new genus Biuterinoides closely ...

(1) The chemical composition of grass pastures differs in many respects considerably from that of bush pastures. Especially is this the case in connection with the changes to which the composition of pastures are subject ...

Cystine is determined as cysteine in hydrolysates of plant or biological material of low cystine content. This method is an improvement and also more accurate than the previous one described.

In the first paper of this series (de Waal, 1939) the isolation and chemical properties as well as the results of the preliminary hydrolysis and of the hydrogenation of the alkaloid isatidine were recorded. This alkaloid ...

By means of controlled metabolism experiments it was shown that the biological value of the proteins in the natural grazing of the Transvaal varies according to the season of the year. During April the average biological ...

By means of paired feeding tests, it has been shown that sesamemeal is deficient in cystine and that cottonseedmeal is not deficient in this amino acid. Bran and coprameal are apparently not deficient in lysine, while the ...

1. Methods are described whereby the concentration of solute fluorides in water can be reduced to a safe level for human consumption, at a very low cost. 2. The active defluorinizing agent is derived from commercial ...