Conjunctivitis trachomatosa may be defined as an infectious inflammatory disease of the conjunctiva. It is characterized by a purulent secretion, and in the chronic forms by an hypertrophy of the conjunctiva. It is also distinguished by the presence of a special micrococcus (Sattler and Poucet). The conjunctiva is divided into three divisions: The portion which covers the posterior surface of the lids is called the conjunctiva palpebrarum or conjunctiva tarsi. The portion reflected over the anterior surface of the eyeball is the conjunctiva bulbi, and the conjunctiva which connects these two portions constitutes the third division, known as the conjunctiva fornicis. The conjunctiva differs somewhat in structure and function in its various portions. The palpebral portion is the thickest and most vascular part It is also more freely supplied with nerves. It is intimately united to the tarsus, and the lens shows small folds in its structure. This portion contains small