102 IN iMEMOlllAM. — WILLIAM CRAWFORD WILLIAMSON, LL.D., F.R.S. 
calm big tree spreading its roots in every direction, the quarry- 
master appeared, looking astonished, and said, " Not Professor 
Williamson !" " Certainly." " And from Manchester this morning," 
said the shivering owner. " Yes, and why not ?" " Well sir," 
answered he, " to my thinking you and the tree are a pair for teach- 
ing us lessons."" 
* Reminiscences of a Yorkshire Naturalist, note p. 186-7. 
