2 Biographical Memoir of 
enlighten his age. He was eminently fitted for the station 
which he had filled with so much success. He had fine natural 
talents, which had been carefully cultivated, and were applied 
with vigour to the studies in which he delighted. He was a 
eareful observer, a comprehensive thinker, and his industry 
was unwearied. He was never satisfied with loose and general 
notions upon any subject; his range of information was wide, 
and what he knew he knew thoroughly. He was practical, 
and anxious to be useful, in days when science and practice 
stood apart, as if they were two repellent forces. He did 
much towards neutralizing these states; and was one of the 
pioneers to whom we are indebted for that union of science 
and practice which is now the prevailing feature of our time. 
Professor Edward Forbes, the distinguished successor of 
Professor Jameson, says :—‘‘To my illustrious predecessor 
and master, who passed from amongst us ripe in years, 
honours, and fame, so lately, I gratefully record my ac- 
knowledgments for the encouragement of those tastes, and 
the founding of that knowledge which have proved to me 
a chief delight. Who that, in time past, was his pupil, and 
found pleasure in the study of any department of Natural 
History, can ever forget his enthusiastic zeal, his wonder- 
ful acquaintance with scientific literature, his affection for 
all among his friends and pupils who manifested a sincere 
interest in his favourite studies. When, in after life, their 
fates scattered them far and wide over the world; some 
settling amid the civilised obscurity of rural seclusion ; 
some rambling to the far ends of the earth to sift and ex- 
plore wild and savage regions; some plunging into the 
boiling and noisy whirlpool of metropolitan activity; none 
who remained constant to the beautiful studies of his pupil- 
hood was ever forgotten by the kind and wise philosopher, 
whose quick and cheering perception of early merit had per- 
petuated tastes that might have speedily perished if unob- 
served and unencouraged. The value of professional worth 
should chiefly be estimated by the number and excellence of 
disciples. A large share of the best naturalists of the day re- 
ceived their first instruction in the science, that was after- 
wards to prove their fountain of honour, from Professor 
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