is to be found in a list of the
navy in 1651. She was of 180 tons, and carried 18 guns and 60 men. It
seems not easy to account for this class of vessels having been rated so
high as 5th rates, but I suppose they were a favourite and favoured
class.

In reference to the discovery of America by Madoc, pp. 7 12 25 57,
it may amuse your readers to be informed that Seneca shadows forth such
a discovery:--

"Venient annis saecula seris
Quibus Oceanus vincula rerum
Laxet, et ingens pateat tellus,
Ichthysque novos deteget orbes;
Nec sit terris ultima Thule."
_Medea_, act ii, ad finem, v. 375.

"A vaticination," says the commentator, "of the Spanish discovery of
America." It is certainly a curious passage.

C.

* * * * *

QUERIES.

BERKELEY'S THEORY OF VISION VINDICATED.

In Mr. Dugald Stewart's _Dissertation on the Progress of Metaphysical
Philosophy_ he says of Lord Shaftesbury's work entitled
_Characteristics_--

"It seemed to have the power of changing the temper of its critics.
It provoked the amiable Berkeley to a harshness equally unwonted
and unwarranted; while it softened the rugged Warburton so far as
to dispose the fierce, yet not altogether ungenerous, polemic to
price an enemy in the very heat of conflict."

To this passage is appended the following note:--

"Berkeley's _Minute Philosopher_, Dialogue 3; but especially his
_Theory of Vision Vindicated_, London, 1733 (not republished in the
quarto edition of his works), where this most excellent man sinks
for a moment to the level of a railing polemic."

Can you or any of your readers do me the favour to inform me whether the
tract here referred to has been included in any subsequent edition of
the Bishop's works, and, if not, where it is to be met with?

B.G.

* * * * *

DR. JOHNSON AND PROFESSOR DE MORGAN.

Mr. Editor,--Although your cleverly conceived publication may be
considered as more applicable to men of letters than to men of figures,
yet I doubt not you will entertain the subject I am about to propound:
because, in the first place, "whole generations of men of letters" are
implicated in the criticism; and, in the next place, because however
great, as a man of figures, the critic may be, the man of letters
criticised was assuredly greater.

Professor de Morgan has discovered a