The subject of hydrophobia in the Philippine Islands has been investigated by Ashburn and Craig (1907), Dudley (1908) and Dudley and Whitmore (1910). These showed conclusively that the disease exists among Philippine dogs. The following case is recorded as throwing some light on the endemicity of the disease.
A large monkey was brought to this laboratory as one of a number purchased for experimental purposes. The native who delivered the animal stated that he had been caught the previous day in the bosque (forest) in Laguna province.
The animal appeared unusually excited when received, the following day became savage and frothed at the mouth and on the third day died with paralysis of the hind legs and muscles of deglutition. At necropsy there were no macroscopic lesions to suggest a cause of death. Microscopic examination of the hippocampus showed Negri bodies in both smear and section. Emulsifled brain-tissue that had