556 Formation 
mixed together, and containing minerals 
of every sort, scattered in small 
portions. 
Botlr by its important productions, as 
~ well as by its military position, Upper 
Poland offers a considerable degree of 
interest in the event of a re-establish- 
ment of Poland. Forthe sovereign of Po- 
land can never believe himself firm upon 
his throne, so long as any other powershall 
remain master of the passages of the 
Carpathian mountains: on the other 
side, the salt-districts, and mines of 
Wielicza, are the natural magazine of ali 
Poland. Nature has rendered a separa- 
tion between Upper and Lower Poland 
equally disadvantageous for both. The 
Vistula is: cemmon to them; and this 
natural conveyance of the productions of 
both countries, this great aquatic road, - 
should never own but one sovereign, if 
the policy of states deigned to consult the 
interests of the people. 
W.B. H. 
ne : 
To the Editor of the Monthly Magazine. 
SIR, ' 
EVERAL of your correspondents 
having thrown out the idea that the 
inasses of flint found in chalk-pits, are 
produced from the chalk itself by some 
unknown operation of nature, I am 
induced to point out to their notice, 
through the medium of your publication, 
the circumstance of fossil sea-shells 
being sometimes found ef a siliceous, 
instead of calcareous, substance. In 
the case of the amorphous masses of 
of Fiints. | [July 1, 
flint, one may imagine, that the sub- 
stances composing them may have been 
dissolved by some menstruams, and have 
mixed together on coming in ‘contact, 
when in a liquid. state; but the fact 
appears otherwise with respect to these 
shells;~ they preserve their natural 
_ characters so correctly, that their change 
_ can, in some instances, be only known, 
even to fossilogists, by actual examina- 
tion of their substances; here the silicify- 
‘ing matter seems to have been taken up 
by the calcareous matter of the shells, 
and a total change in their nature, with- 
out any alteration in form, appears to 
have been the result. J should wish 
your correspo: dents to advert to this 
circumstance, as one of them has a noe 
tion that the outer coat of common 
flints is indicative of a gradual increase 
in their bulk, . 
The above-mentioned shells are 
found in great abundance and variety of 
genera, among the loose sand, and in 
the Whitstone Pits on Blackdown hills 
in Devonshire; and also in other parts , - 
of England. . 
The study of extraneous fossils is 
becoming every day more attended to ; 
and if some of your corresponding 
tourists would point out where any have 
been recently discovered, giving either 
their proper or provincial names, as most 
convenient to themselves, it would 
doubtless give great pleasure to many 
others of your constant readers, -as 
well as, my Sem. Le 
London, 6th, June, 1810. . 
SY , Raaaey t| 
5 ie 
MEMOIRS AND REMAINS OF EMINENT PER 
Original and authentic Memotrs of the late 
LORD ROKEBY. 
Wi Roprnson, (Morris,) the 
late Lord Rokeby, was son of 
Mathew Robinson, esq. a gentleman 
formerly well known in Kent by his re- 
sidence in that county during the life of 
his wite, the heiress of the families of 
Morris and Drake, buat who, holding 
those estates during her life only, re- 
sided, from the time of her death, 1 Lon- 
don; where he died so late as 1778, at 
the age of 84; on which event the pa- 
ternal estates in Yorkshire descended to 
the subject of this article, who had pos- 
sessed the seat at Horton, and the other 
inheritance of his mother, from her de- 
cease in 1745. ; v 
a> 
SONS. 
_ This venerable peer was born at York, 
in March 1718, many years before his 
father came into possession of the Kent- 
ish estates; and before even the death 
of his great yrandfather Thomas Morris, 
esq. the builder of the present mansion 
at Horton, died in 1717. Mr. 
2 .) ae 
fr 
who | 3 
Morris left an only daughter, at that 
time the wife of the celebrated’ Dr. Con- 
yers Middleton, whom she” re-married 
in 1710, being the widow of Mr. Drake, 
Recorder of Cambridge. But her son, 
Mr. Morris Drake, succeeded his grand- 
father, and added the name of Morris 
to his own, He died young before 1723; 
and the Horton estates reverted to his 
roother, who spent a suinmer or two 
here with her husband, Dr. ae 
—~. 
SSO 
