+ ss Nea 
ea 
370  #$T.8. Hunt on Octahedral Oligist Iron. 
more, as I have said, that they have had the greater advantage 
of intercourse with each other? May we not expect that from 
this time the eminent producers and manufacturers, artisans and 
artists, in every department of art, and in every land, will enter- 
in for each other an increased share of regard and good-will, of 
sympathy in the great objects which man’s office as producer 
and manufacturer, artisan and artist, places before him—of res- 
pect for each other’s character, and for the common opinion of 
their body, all increased by their being able tosay, ‘“ We were 
students together at the Great University in 1851.” 
Art. XXXII1—On Octahedral Oligist Iron; by T. S. Hoyt, 
of the Geological Commission of Canada. 
[Read before the American Association for the Advancement of Science, at Albany, 
aie September, 1851.] | 
and has aided in simplifying and elucidating many difficult ques- 
tions. Such a question is presented in the difference between 
& proportion which is two-thirds of that in the protosalts. De- 
signating the one as ferrosum, with an equivalent of 28° (H= 1), 
to the Sesquioxyds of aluminium, manganese and chromium. 
I have since found that my ion with regard to sulphur had been an 
pated by M. Gerhardt ina note at p. 90 of his Comptes eatin See 1847. 
