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By act of Congress approved July 1, 1902, the name of the “United States Marine- 
Hospital Service” was changed to the “Public Health and Marine-Hospital Service of 
the United States, ” and three new divisions were added to the Hygienic Laboratory. 
Since the change of name of the Service the bulletins of the Hygienic Laboratory 
have been continued in the same numerical order, as follows: 
*No. 8. — Laboratory course in pathology and bacteriology. By M. J. Rosenau. 
(Revised edition, March, 1904.) 
*No. 9. — Presence of tetanus in commercial gelatin. By John F. Anderson. 
No. 10. — Report upon the prevalence and geographic distribution of hookworm dis- 
ease (uncinariasis or anchylostomiasis) in the United States. By C'h. Wardell Stiles. 
*No. 11. — An experimental investigation of Trypanosoma lewisi. By Edward 
Francis. 
*No. 12. — The bacteriological impurities of vaccine virus; an experimental study. 
By M. J. Rosenau. 
*No. 13. — A statistical study of the intestinal parasites of 500 white male patients at 
the United States Government Hospital for the Insane; by Philip E. Garrison, Bray- 
ton H. Ransom, and Earle C. Stevenson. A parasitic roundworm ( Agamomermis culicis 
n. g., n. sp.) in American mosquitoes ( Culex solliritans) ; by Ch. Wardell Stiles. The 
type species of the cestode genus Hymenolepis ; by Ch. Wardell Stiles. 
No. 14. — Spotted fever (tick fever) of the Rocky Mountains; a new disease. By 
John F. Anderson. 
No. 15. — Inefficiency of ferrous sulphate as an antiseptic and germicide. By Allan 
J. McLaughlin. 
*No. 16. — The antiseptic and germicidal properties of glycerin. By M. J. Rosenau. 
No. 17. — Illustrated key to the trematode parasites of man. By Ch. Wardell Stiles. 
*No. 18.— An account of the tapeworms of the genus Hymenolepis parasitic in man, 
including reports of several new cases of the dwarf tapeworm ( H . nana) in the United 
States. By Bray ton H. Ransom. 
*No. 19. — A method for inoculating animals with precise amounts. By M. J. 
Rosenau. 
*No. 20. — A zoological investigation into the cause, transmission, and source of 
Rocky Mountain “spotted fever.” By Ch. Wardell Stiles. 
No. 21. — The immunity unit for standardizing diphtheria antitoxin (based on Ehr- 
lich’s normal serum). Official standard prepared under the act approved July 1, 1902. 
By M. J. Rosenau. 
*No. 22. — Chloride of zinc as a deodorant, antiseptic, and germicide. By T. B. 
McClintic. 
*No. 23. — Changes in the Pharmacopoeia of the United States of America. Eighth 
Decennial Revision. By Reid Hunt and Murray Galt Motter. 
No. 24. — The International Code of Zoological Nomenclature as applied to medicine. 
By Ch. Wardell Stiles. 
>" No. 25. — Illustrated key to the cestode parasites of man. By Ch. Wardell Stiles. 
No. 26. — On the stability of the oxidases and their conduct toward various reagents. 
The conduct of phenolphthalein in the animal organism. A test for saccharin, and 
a simple method of distinguishing between cumarin and vanillin. The toxicity of 
ozone and other oxidizing agents to lipase. The influence of chemical constitution 
on the lipolytic hydrolysis of ethereal salts. By J. IJ. Kastle. 
No. 27. — The limitations of formaldehyde gas as a disinfectant with special reference 
to car sanitation. By Thomas B. McClintic. 
*No. 28. — A statistical study of the prevalence of intestinal worms in man. By Ch. 
Wardell Stiles and Philip E. Garrison. 
*No. 29. — A study of the cause of sudden death following the injection of horse 
serum. By M. J. Rosenau and John F. Anderson. 
