LITERATURE CITED. 



(1) Arnold, Ralph, and Anderson, Robert. 



1907. Diatomaeeous deposits of northern Santa Barbara County, Calif. 



In U. S. Geol. Surv. Bui. 315, p. 438-447. 



(2) 1907. Geology and oil resources of the Santa Maria oil district, Santa 



Barbara County, Calif. U. S. Geol. Surv. Bui. 322, 161 p., pi. 

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(3) Arnotj, Charles. 



[1919] Les Industries de la Conservation des Fruits. La Pomme. 

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(4) Brown, Horace T. 



1913. The nitrogen question in brewing. Part III. On the flocculation 

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 p. 84-121. Discussion, p. 114-121. 



(5) Chace, E. M. 



1920. A method for the clarification and preservation of fruit juices. 



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(6) Coates, C. E. 



1921. Refining raw sugars without bone-black. In Jour. Indus, and 



Engin. Chem., v. 13, no. 2, p. 147-153. 



(7) Cruess, W. V. 



1920. Unfermented fruit juices. Calif. Agr. Exp. Sta. Cir. 220, 32 p., 

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(8) Dale, J. K., and Hudson, C. S. 



1920. Sugar-cane juice clarification for sirup manufacture. U. S. Dept 

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(9) Deprax, Paul. 



1912. La silice gelatineuse employee a la clarification des bieres. In 

 Ann. Brasserie et Distill., ann. 15, no. 18, p. 410-411. Abstract 

 in Jour. Inst. Brewing, v. 19 (v. 10, n. s.), no. 1, p. 52-53. 1913. 



(10) Effront, Jean. 



1917. Biochemical Catalysts in Life and Industry. Proteolytic Enzymes 

 . . . tr. by Samuel C. Prescott . . . assisted by Charles S. 

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(11) Gore, H. C. 



1908. Unfermented apple juice. IT. S. Dept. Agr., Bur. Chem. Bui. 



118, 23 p., 4 fig. 



(12) 1915. Apple sirup and concentrated cider : New products for utilizing 



surplus and cull apples. In U. S. Dept. Agr. Yearbook, 1914, 

 p. 227-244, fig. 14-15. 

 28 



