CHAPTER XVI. Oglethorpe, informed that the Spaniards were making preparations for a renewal of hostilities, takes measures to repel them--Meets with an alarming accident--Lands on the Florida side of St.John's--Proceeds towards St.Augustine--The Spanish do not venture out to attack him--Returns to the Islands--sees that the Forts are repaired--Takes passage to England to attend a Court Martial on an insidious charge against him by Lieutenant Cook--Is honorably acquitted, and Cook is dismissed from the service,.