[ 598 3 
Gircumftances of the Obfervation will the more 
readily difcover whether the Declination is Eafterly or 
Wefterly. 
N.B. Though it would be very commendable in 
' Gentlemen who ufe the Sea, to learn the Names of 
moft of the principal Fix'd Stars, yet even that Know- 
ledge is not neceffary in the Ufe of this Inftrument : 
Neither is it needful in this Cafe to know exa&ly the 
Latitude of the Place of Obfervation, provided the 
Difference of Latitude between the Obfervations be 
not very great : It is fufficient, that Care be taken to 
obferve the felf-fame Star, before it comes to the Me- 
ridian, and after it has pafs'd it 5 and for the fake of 
greater Exa&nefs, the Caution before given (hould be 
regarded, to wit, That the Star be atdome confider- 
able Height above the Horizon, and alfo near the prime 
yertical. 
XlV. An Account of a Book prefented to the 
Royal Society, and intituled, Notitia Hun- 
garian novan Hiftorico-Geographica, &c. 
Au£iore Matth. Belio. By the Reverend 
Zachary Pearce, C D. 2). F. R. S. &c. 
T HE Author of this Work is the Reverend 
Matthias Bell , a Paftor among the Lutherans 
at Bresburg in Hungary. About twelve Years ago 
he publiflfd an Account of what he intended to 
execute 5 and by the Encouragement of his prefent 
Imperial Majefty, and Tome of the Nobility, he went 
on 
