TO 



THE REV. THOMAS EOMNEY ROBINSON, 



D.D., M.R.I.A., F.R.A.S., 



FROM WHOSK PROFOUND KNOWLEDGE OF THE LAWS OF THE INORGANIC WORLD, 



THOSE OF THE ORGANIC 

 HAVE ALWAYS RECEIVED FELICITOUS ILLUSTRATION AND ELOQUENT EXPOSITION, 



f ^c foKotoing |:r((d m instri^tJr, 



IN MEMORY OF THE HOURS PASSED UNDER HIS PRESIDENCY AT THE MEETINGS OF 



THE ROYAL IRISH ACADEMY, 



IN RECOGNITION OF A MUCH-VALUED FRIENDSHIP, 



AND IN ADMIRATION OF A MIND RICHLY STORED WITH TRUTH, 



TO WHICH 

 EVERY DEPARTMENT OF KNOWLEDGE HAS FREELY AND ABUNDANTLY CONTRIBUTED. 



Edinburgh, Mui/ 2, 1S57. 



