336 Index. 



Walker, G. T., Dynamical Property of Celts, 305. 



Warburton, J., Trochosa picta, 217. 



Ward, see Marshall Ward, 128. 



WiLBEREORCE, L. R., Vibrations of a Spiral Spring, 61. 



Willis, J. C, Gynodioecism in the Lahiatce (2nd and 3rd Papers), 17, 129. 



and BuRKiLL, The Flora of Pollard Willows near Cambridge, 82. 



Wilson, C. T. R., On the Formation of Cloud in Absence of Dust, 306. 



CAMDRIDGE : PBINTED BY J. & C. F. CLAY, AT THE UNIVEBSITY PBESS. 



