During recent years there have been a few cases of continued fever of long duration, frequent relapses and a low mortality, in the Pecos River country. Four such cases recently occurred in the practice of Dr. R. M. Scott, of Del Rio. The four patients, all young men from 11 to 20 years of age, had worked at a goat camp where they had lived for three months, quartered in a house surrounded by the dusty bedding ground of the goats and were using goat's milk from the herd, some of which were ill of "goat fever." The fact seemed significant and it was suggested by me to Dr. Scott that the fever was possibly Mediterranean fever. After agglutination tests had been made with theMicrococcus melitensison the four cases with positive results, Dr. S. L. Boren mentioned that he too had a patient, a goat ranchman, ill of