51 
No. 40.— Miscellaneous zoological papers. By Ch. Wardell Stiles and Joseph 
Goldberger. 
No. 41. — Milk and its relation to the public health. By various authors. 
No. 42. — The thermal death points of pathogenic micro-organisms in milk. By 
M. J. Rosenau. 
No. 43. — The standardization of tetanus antitoxin. An American unit established 
under authority of the act of July 1, 1902. By M. J. Rosenau and John F. Anderson, 
No. 44. — Report No. 2 on the origin and prevalence of typhoid fever in the District 
of Columbia, 1907. By M. J, Rosenau, L. L. Lumsden, and Joseph H. Kastle. 
No. 45. — Further studies upon anaphylaxis. By M. J. Rosenau and John F. Ander- 
son. 
No. 46 . — Hepatozoon perniciosum (n. g., n. sp.); a hsemogregarine pathogenic for 
white rats; with a description of the sexual cycle in the intermediate host, a mite 
{Lelaps echidninus) —By W. W. Miller. 
In citing these bulletins, beginning with No. 8, bibliographers and authors are 
requested to adopt the following abbreviations: Bull. No. , Hyg. Lab., U. S. 
Pub. Health & Mar.-Hosp. Serv., Wash., pp. . 
MAILING LIST. 
The Service will enter into exchange of publications with medical and scientific 
organizations, societies, laboratories, journals, and authors. All applications for 
THESE PUBLICATIONS SHOULD BE ADDRESSED TO THE “ SuRGEON-GeNERAL, U. S. 
Public Health and Marine-Hospital Service, Washington, D. C.,” excep'j 
THOSE MARKED (*). 
The editions of the publications marked (*), available for distribution by the Sur- 
geon-General of the Public Health and Marine-Hospital Service, have been exhausted. 
Copies may, however, be obtained from the Superintendent of Documents, Govern- 
ment Printing Office, Washington, D. C., who sells publications at cost and to whom 
requests for publications thus marked should be made. 
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