LIST OF TABLES.

TABLE I. Nitrogen and phosphorus metabolism-preliminary period...
II. Ratio of nitrogen to phosphoric acid in food and excreta-preliminary
period....

III. Nitrogen and phosphoric acid balances-principal period................
IV. Ratios of calcium, magnesium, and phosphorus in food, feces, and
urine-principal period.........

V. Ether-alcohol-soluble phosphoric acid balances-principal period..
VI. Various forms of phosphorus in urine-principal period..
VII. Calcium and magnesium balances-principal period..
VIII. Chemical analysis of bodies of rabbits (water-free basis).
IX. Analysis of bones calculated to a fat- and water-free basis..
X. Analysis of rabbits' livers (water-free basis).

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H. W. WILEY, Chemist and Chief of Bureau.
F. L. DUNLAP, Associate Chemist.

W. D. BIGELOW, Assistant Chief of Bureau.
F. B. LINTON, Chief Clerk.

A. L. PIERCE, Editorial Clerk.

M. W. TAYLOR, Librarian.

Division of Foods, W. D. BIGELOW, Chief.

Food Inspection Laboratory, L. M. TOLMAN, Chief.

Food Technology Laboratory, E. M. CHACE, Chief and Assistant Chief of Division.

Oil, Fat, and Wax Laboratory. [Not appointed.]

Division of Drugs, L. F. KEBLER, Chief.

Drug Inspection Laboratory, G. W. HOOVER, Chief. Synthetic Products Laboratory, W. O. EMERY, Chief. Essential Oils Laboratory. [Not appointed.] Pharmacological Laboratory, WM. SALANT, Acting. Chief Food and Drug Inspector, W. G. CAMPBELL. Miscellaneous Division, J. K. HAYWOOD, Chief.

Water Laboratory, W. W. SKINNER, Chief.

Cattle-Food and Grain Laboratory, J. S. CHAMBERLAIN, Chief.
Insecticide and Fungicide Laboratory, C. C. MCDONNELL, Chief.
Trade Wastes Laboratory, under Chief of Division.

Contracts Laboratory, P. H. WALKER, Chief.

Dairy Laboratory, G. E. PATRICK, Chief.

Food Research Laboratory, M. E. PENNINGTON, Chief.
Leather and Paper Laboratory, F. P. VEITCH, Chief.
Microchemical Laboratory, B. J. HOWARD, Chief.

Sugar Laboratory, A. H. BRYAN, Acting.

Nitrogen Section, T. C. TRESCOT, in Charge.

Special Investigations:

Physiological Chemistry (Animal), F. C. WEBER, in Charge.

Physiological Chemistry (Vegetable), J. A. LE CLERC, in Charge,
Bacteriological Chemistry, G. W. STILES, in Charge.

Enological Chemistry, W. B. ALWOOD, in Charge.

Food and Drug Inspection Laboratories:

Boston, B. II. SMITH, Chief.

Buffalo, W. L. DUBOIS, Acting.

Chicago, A. L. WINTON, Chief.
Cincinnati, B. R. HART, Acting.

Denver, A. E. LEACH, Chief.

Detroit, H. L. SCHULZ, Acting.

Galveston, T. F. PAPPE, Acting.

Honolulu, Hawaii, R. A. DUNCAN, Acting.

Kansas City, Mo., A. V. H. MORY, Acting.

Nashville. [Not appointed.]

New Orleans, C. W. HARRISON, Chief.

New York, R. E. DOOLITTLE, Chief.

Omaha, S. H. Ross, Acting.

Philadelphia, C. S. BRINTON, Chief.

Pittsburg, M. C. ALBRECH, Acting.

Portland, Oreg., A. L. KNISELY, Acting.

St. Louis, D. B. BISBEE, Acting.

St. Paul, A. S. MITCHELL, Chief.

San Francisco, R. A. GoULD, Chief.
Savannah, W. C. BURNET. Acting.

Seattle, H. M. LOOMIS, Acting.