“…Already SCHLEMM (1830, 1831)noticed that his canal had a thin wall, and with few exeptions (AsAYAMA, 1901), all investigators (SCHWALBE, 1870;LEBER, 1873 ;WALDEYER, 1874;ROCHON-DUVIGNEAUD, 1892, 1893GUTMAN, 1895;LAUBER, 1901 -02;LEBER, 1903;VIRCHOW, 1910;SALZMANN, 1912;SONDERMANN, 1930a;TRON-COSO, 1942;ASHTON, BRINI • SMITH, 1956;FLOCKS, 1956;ROHEN 8r 353 UNGER, 1957b;UNGER & ROUEN, 1959) dealing with Schlemm's canal have been clear over the fact that the canal is separated from the surrounding structures by a special wall. Already SCHLEMM (1830, 1831)noticed that his canal had a thin wall, and with few exeptions (AsAYAMA, 1901), all investigators (SCHWALBE, 1870;LEBER, 1873 ;WALDEYER, 1874;ROCHON-DUVIGNEAUD, 1892, 1893GUTMAN, 1895;LAUBER, 1901 -02;LEBER, 1903;VIRCHOW, 1910;SALZMANN, 1912;SONDERMANN, 1930a;TRON-COSO, 1942;ASHTON, BRINI • SMITH, 1956;FLOCKS, 1956;ROHEN 8r 353 UNGER, 1957b;UNGER & ROUEN, 1959) dealing with Schlemm's canal have been clear over the fact that the canal is separated from the surrounding structures by a special wall.…”