first its light increast and thè littl by 
little diminisht, It oontinued tc for 
a long time, thè 1 ight not hein.? hidden, as 
with thè live insect. (He perforirid several 
0 ther exp eriinents with chlcrinj in most of 
which thè insect seeiris to hav increast in 
fotogenie activity iinmediately on being 
placed in thè gas, and then decreadt rapidly») 
Cxygen: A live insect and thè luinincus 
0 rgan frciri a live insect v/er both intredueed 
into oxygerit Tne live insect had hardl^^ 
toucht thè vi tal gas than it gave a bril~ 
liant light, and conimenst to scintillate; 
when withdrawn intc thè ai 2“ it Icst its splen- 
dor in a few ir'ODnents; The ’^fosferus” did not 
seem tc revive thus , and gave no change in 
its light cn being withdrav/n» 
”It seenis evidently d enonstrated , never- 
theless, frem all these experi^ints , that 
thè light of thè fesforus of t.hese animai s 
is net predueed, however, by slcw^ combus- 
tion, since, as v/e have seen, it is not ex- 
linguisht, but oontinues xx tc en.it light in 
carben dioxid, hydrogen, nitrogeni, and in all 
those other gases (menticnd) equally incapa- 
bie of supporting ccmbustion. ” 
An intereéing discassion of his results fol- 
1 ows , in which, strangely enuf , he dices not 
refer to thè action of sulfur dioxid. The dis~ 
cussicn has nò. significance teday. lh.e pa- 
per ccnclude .3 with a description of thè in- 
sect, its mating habits, etc. 
