portunity offers. I thoroughly believe in Donders' theory as tó hyperopia being a cause of internal squint. Put the glasses on in some cases and the eyes swing straight; raise them, and t hey cross. Dr." Davis has given credit to foreigners for practically everything he has said. To Americans the credit is due for Hie operative procedures that are worth while in the treat¬ ment of squint. Much credit to Worth for his teachings concernfalg the orthoptic treatment! All credit to Donders for

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... ng out his theory, which is correct, but only one factor. But all the operative procedures worth while have been car¬ ried out first in America and by Americans. The only ad¬ vancement operation that is worth considering-the Hat ad¬ vancement operations, without cutting the tendon-was de¬ vised by an American; Lagleize; whom no one here has ever seen. All others pale into insignificance. To Stevens, of New York, is due, the credit of turning men by degrees from com¬ plete tenotomy. Partial tenotomy associated with the Laglei ze operation, if the latter does not straighten the eye, is the ideal fenotoiny. The shortening operation, condemned by Dr.