4 BULLETIN 260, U. S. DEPARTMENT OF AGRICULTURE. 



the New York Institute, had treated 3,010 persons for hydrophobia 

 during the first 17 years of its existence, up to 1907. The Baltimore 

 Pasteur Institute had treated over 1,000 cases up to 1908. Many 

 more such figures could be cited for the numerous other Pasteur 





eh 



V. 



'^Z^e/-. 



Fig. 1. — a, 6, Nerve cells of the brain, showing Negri bodies, a diagnostic factor in rabies. 

 1, cytoplasm of cell ; 2, nucleus of cell ; 3, nucleolus of cell ; 4, Negri body in cytoplasm 

 of cell. (After Hart.) 



institutes in this country. In 1908, 111 deaths of persons from 

 rabies were reported in the United States, and owing to our inade- 

 quate statistical methods we have nothing like exact data in regard 

 to the extent and distribution of the disease or the number of cases 



