324 Memoirs of the Life of Lewis Brugnatelli. 
emerald green; this colour, the same as occurs in ammoniure of 
copper, is dissipated in close receivers, but immediately reappears 
when brought in contact with atmospheric air. He also disco- 
vered several new sympathetic inks, some hygrometric colours, 
reagents to detect poisonous substances ; and greatly improved 
many pharmaceutical and chemical processes, introduced various 
new amalgams and paints, and obtained a very pure gum from the 
variegated aloes and various other vegetable products. His elec- 
tric and galvanic experiments were equally numerous: and the 
curious fact of carbon becoming capable, by means of galvanism, 
of being oxygenated and hydrogenated, and when in this state a 
powerful electric, may contribute to facilitate further experi- 
ments of the like nature. The medical labours of Professor 
Brugnatelli would have given him celebrity, had his chemical fame 
been less conspicuous. His experiments with chlorine in the cure 
of hydrophobia are too recent to require further notice; but 
whatever may be the final effects of this medicine, either in curing 
or mitigating a hitherto incurable disease, the merit of Brug- 
natelli in recommending it to the public must ever remain un- 
impaired. Insucha calamity, every truly scientific medical prac- 
titioner will gladly avail himself of a medicine, which presents even 
the slightest hope of arresting the hand of Death, and which is 
so easily procured as to deprive either indolence or ignorance of 
a pretext for not promptly administering it. ‘The observations 
and statements of the Pavian Professor have been translated into 
almost all the European languages ; and should any obstinate or 
wilfully incredulous practitioner omit its application, he will ne- 
cessarily expose himself to the censure of friends. 
Finally, Brugnatelli was appointed professor of general che- 
mistry applied to the arts in the University of his native city 
(Pavia) in 1796; and he filled this chair with equal honour to 
himself and advantage to the numerous students from all parts of 
Italy and the Levant who attended his lectures, til! his death on 
the 24th of October 1818, in his fifty-eighth year. The follow- 
ing list of his published writings is principally taken from the 
catalogue printed in the Giornale edited by his son. Original 
works :—‘ Elements of chemistry ;’ four editions of this work have 
been sanctioned by the author, how many have been pirated it is 
impossible to tell. ‘ A General Pharmacopea;’ of this, five editions 
have been. printed, and it has been translated into other lan- 
guages. ‘ Materia Medica,’ a supplement to the preceding, in one 
volume. The periodical works which he edited were :—Biblioteca 
Fisica d’ Europa, from 1788-91, 20 volumes. Giornale Fisico 
Medico, afterwards continued under the title of Avanzamenti 
della Medicina e Fisica, 1792-96, 20 volumes.  Annali di Chi- 
mica, 1790-1805. Commentari Medici, edited in fee re with 
rera, 
