INDEX 257 



Schmitt, F. O., 19-51 Trypsin, 41, 44 



Schwann cell, 114, 139 Tyrosine, 47, 48 

 Segment long-spacing, 24 



Semiconductor, 98, 151 Uronic acid, 232 



Sherman, F. G., 52 ,, , ^„„ ^ 



Sol-gel transformation, 169 1""^"^'. P' ^"^^ 



Specificity, 3 ff., 62 Van Holde, K. E., 81 



Spindle 161-178 y^^^^^^ 4^ g ^2, 13, 17, 151 



Strongtjlocentrotus, 168 ^^^g^^ D p., 3-17, 203 



Svmmetrv, 68 



Went, H. A., 161-177 



T w ifto Wolken, J. J., 85-112 



Trillium, 168 ^ ^ 



Tropocollagen, 19-52 Yeast cell wall, 229-253 



