DES AUTEURS CITES

Thomson (J.), 155.

Thomson (W.), 156, 337, 508.

Tomlinson, 430, 508.

Tyndall, 2^30, 335, 480, 490.

Valson, 508.

Waals (van der), 508.

Weisbach, 477bU, 491.

Wertheim, 157.

Wilhelmy, 157.

Wilke, 322.

Willigen (van der), 336, 356.

Wrede, 345.

Young, 146,148, 171.

^^^B SEP 6 m

^^H Stanford Uniwsity Ulirary

^^^^^H Stanford. Caltfornta

^^^^^^H In order that others mey use this book, ^^^^^^^H please return as soon as possible, but ^^^^^^H later than Ibe date due.