TREASURY DEPARTMENT 

 Public Health and Marine-Hospital Service of the United States 



Walter Wyman, Surgeon-General 



HYGIENIC LABORATORY. — BULLETIN No. 37 



JVl. J. KOS1CXAJ I, Director 



June, 1908 



INDEX-CATALOGUE OF 



MEDICAL AND VETERINARY ZOOLOGY 



SUBJECTS: 



TREMATODA AND TREMATODE DISEASES 



BY 



CH. WARDELL STILES 



AND 



ALBERT HASSALL 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



