MEMOIR OP BARON HALLER. 55 
Bibliotheca. Being in possession of an immense 
collection of the choicest hooks in various depart- 
ments of science, which he could not continue to 
use much longer, he wished to gratify himself hy 
going over them once more ; to render to these his 
favourite sciences a last service, and to learned men 
an additional favour, in pointing out to them those 
sources of information to which he had so success- 
fully resorted. These great volumes are chronolo- 
gical catalogues of works of every age, country, and 
language, relative to the subjects on which they 
treat, with concise analyses and notices of peculiar 
and important facts and opinions ; and accordingly, 
they are very frequently consulted and quoted up 
to the present day. These libraries of professional 
knowledge, as they have been called, were published 
in the following order: Bibliotheca Botanica (1771, 
two vols. 4to ) ; Bibliotheca Anatomica (1774, two 
vols. 4to) ; Bibliotheca Chirurgica (1774, two vols. 
4to) ; Bibliotheca Medicines Practice (1776-1788, 
four vols. 4to, the last two volumes having appeared 
posthumously). 
During Haller's declining years his health became 
most painfully infirm; thus probably paying the 
frequent and severe penalty of hard study and 
literary labour and eminence. We have already 
stated he was very delicate in infancy, and this 
state continued throughout his youthful years. At 
the age of twenty-one, however, he became stouter, 
though liable to frequent and violent attacks of in- 
disposition. When about sixty he became a martyr 
