85 
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 wdth medical and scientific 
organizations, societies, laboratories, journals, and authors. Its publications will also 
be sent to nonpublishing societies and individuals in case sufficient reason can be 
shown why such societies or individuals should receive them. All applications for 
these publications should be addressed to the “Surgeon-General, U. S. Public Health 
and Marine-Hospital Service, Washington, D. C.” 
o 
