416 
Notes on Portrait-plates 
death, and it might therefore be regarded as a pardonable exaggeration. But 
probably it was not, for we could say the same to-day from a study of his 
printed work alone; and it is safe to prophesy that, in years to come, others 
will see that it is true, and will say the same. And this surely is, for the man 
of science no less than for the poet, that 44 monumentum acre perennius, regalique 
situ pyramidum altius ” which all desire, many claim, but only the very few 
ever win. 
Lewis’s chief works have already been mentioned. Biographical notices 
will be found in the memorial volume of his researches (cited above)—which 
also contains the portrait here reproduced—and in the following journals: 
Indian Medical Gazette (1886), xxi. 179, 249; Lancet (1886), i. 993; British 
Medical Journal (1886), i. 1242; Nature (1886), xxxiv. 76. No obituary notice 
was published in the Proceedings of the Royal Society , and by a strange irony 
of fate Lewis has not yet been found worthy of a place in the Dictionary of 
National Biography. 
