undoubtedly still are, men who know the whole text of the Talmud by heart. Some years ago one of these men, a native of Poland, was in this country. I witnessed his remarkable feats of memory. Thus, one of us would throw open one of the volumes of the Talmud, say the tractate Berakhot, at page 10; a pin would be placed on a word, let us say, the fourth word in line eight; the memory sharp would then be asked what word is in this same spot on page thirtyeight or page fifty or any other page; the pin would be pressed through the volume until it reached page thirty eight or page fifty or any other page designated; the memory sharp would then mention the word and it was found invariably correct. He had visualized in his brain the whole Talmud; in other words, the pages of the Talmud were photographed on his brain. It was one of the most