A. Gray— Memorial of George Bentham. 107 
alluded to this article as containing the germs of his discovery. 
€ may imagine the avidity with which De Morgan, injuri- 
ously attacked, would have seized upon Mr. Bentham’s book if 
e had known of it. It is not so easy to understand how Mr. 
Bentham—although now absorbed in botanical researches— 
could have overlooked this controversy in the Atheneum, or 
how, if he knew of it, he could have kept silence. It was only 
at the close of the year 1850, that Mr. Warlow sent from the 
coast of Wales a letter to the Atheneum, in which he refers to 
Bentham’s book as one which had long before anticipated this 
Interesting discovery. Although Hamilton himself never 
offered explanation of his now unpleasant position (for the 
note obliquely referring to the matter in the second edition of 
his Discussions is not an explanation), Mr. Baine did (in the 
Atheneum for Feb. 1, 1851) immediately endeavor to discredit 
the importance of Bentham’s work, and again in 1873 (Con- 
temporary Review, xxi), in reply to Herbert Spencer’s reela- 
mation of Bentham’s discovery. To this Stanley-Jevons made 
reply in the same volume (pp. 821-824) ; and later, in his Prin- 
ciples of Science (ii. 387), this competent and impartial judge, 
in speaking of the connection of Bentham’s work “with the 
great discovery of the quantification of the predicate,” adds : 
_ 1 must continue to hold that the principle of quantification 
'S explicitly stated by Mr. Bentham; and it must be regarded 
a3 a remarkable fact in the history of logic, that Hamilton, 
while vindicating in 1847, his own claims to originality and 
Priority as against the scheme of De Morgan, should have 
°verlooked the much earlier and more closely related discov- 
fries of Bentham.” : 
It must be that Hamilton reviewed Bentham’s book without 
reading it through, or that its ideas did not at the time leave 
@ny conscious impression upon the reviewer's mind, yet may 
have fructified afterwards. 
nean society in 1828. Robert Brown soon after presented his 
name to the Royal Society, but withdrew it before the election, 
epsioteatcs on the part of scientific men 
ie for horticulture and botany. In 1833 he married | the 
2s ughter of Sir Harford Brydges, for many years British 
