discrimina._

Caroli V. _Aliud. Nondum in auge [Sol]._
_Aliud. Fundatori quietis [laurea]._

Ferdinandi. _Fiat justitia aut pereat mundus._
_Aliud. A. I. P. Q. N. S. I. A._

"Accidit in puncto quod non speratur in anno;
Temporis in puncto qui sapit, ille sapit."

Maximiliani II. _Comminuam vel extinguam._
(_Puta semiplenam Turcarum lunulam._)

Rudolphi II. _Aliud. Ex voluntate Dei omnia._
_Aliud. Sic ad astra._
_Aliud. Tu ne cede malis._

In Reusner's work the mottos are accompanied by copious and erudite
comments; and in Sadeler's by engravings also; the devices or achievements
of distinguished men, denominated in the Italian language _Imprese_, and in
the Latin _Symbola Heroica_.

BIBLIOTHECAR. CHETHAM.

[Footnote 4: "Symbolum [aquila solem contra tuens] quo jam se non tantum
adversario opponit sed cum Deo parum modeste ponit. Est quidem aquila Jovi
sacra ut ad fabulas rem revolvamus. Sed absit mihi omnis cum Deo
comparatio."--Sadeler, p. 39.]

* * * * *

PHOTOGRAPHIC CORRESPONDENCE.

_Simplicity of Calotype Process._--The session of the Photographic Society
was commenced with a paper from our original correspondent, DR. DIAMOND,
under the above title. Our journal having led to such facilities of
question and answer, has induced many of our readers to ask upon several
points additional instructions, some of which we have ourselves thought
might have been made more clear and having written to DR. DIAMOND he has
promised us a revised copy for our next Number. Replying to some of our
Querists, he says, "The plain photographic facts are correct; but I wrote
the paper on the morning of the day on which the Society met, and was not
aware it was to be printed in the _Journal_ until I received my copy."

_Albumenized Paper._--As my only object writing on this subject was to
communicate to others the plan which _I_ had found _in practice_ most
successful, I think it necessary to correct some points of misapprehension
which it is evident your correspondent K. N. M. has fallen into, Vol.
viii., p. 501.

In the process I recommended, the paper, if cockled up, readily becomes
flat and even if kept in a portfolio or any similar receptacle; and as I
_never float_ my paper to sensitize it, I have not the inconvenience of the
silver solution becoming spoiled by particles of the albumen. The 100
grains to the ounce for the solution I do no