[1103] 
Several other Difcourfes are, partly inferted in their 
proper places, and partly fabjoyned at the end, that 
they might not feem too great Digreflions. 
And particularly a Treatife of the Cono-Cuneus (2l Body 
Compounded of a Cone^ and a Wedge^-wiiYi the Sediions 
thereof i confidered in the fame manner as the Sections 
of a C<?;2^ ule to be confidered. 
A Treatife of Angular SeUions^ (a Subie(5l ha ndled by 
Vieta^ and others,) with other things thereon depending; 
together with a fliort ('but full) account of Trtgonometry. 
A further Treatife of the Angle of Gontail ; in pur- 
fuance of a former Treatife on that Subjeil. Wherein 
is further difcourfed what concerns the Compojition of Mag-' 
nitudes^ Incentives of Magnitudes^ €ompojition of Motions >^ 
and other things hereunto relating. 
ATtQ2Lt\ko( Combinations^ Alternations, and Aliquot 
Parts : a Subject difcourfed of, by Schooten, Pell, l(jerfey, 
and others. 
With many other things, which may be feen in the 
Table of Chapters i but, more fully, in the Treatife it 
felf. Much of which are Additions of my own, where I 
apprehended a defe<3:('in what I met with ia others) which 
feemed needful! to be fupplyed. 
But I do not pretend fo to have gleaned all thofe 
Authors who have Written on this Subjedl, as to have left 
nothing worthy to be there fought, in the Authors them- 
felves, (efpecially as to the Accommodation thereof to 
particular Subjed:s:j But have rather diredted to thofe 
Authors where fuch things are to be found. 
And I have been the lefs able fo to do (if I would have 
done it J becaufe I did not delignedly read them over to 
thispurpofe, nor ("when I did read them) did make Col- 
ledions ('as I went along^ in order to fuch a defign. 
But have rather (out of my memory) inferted {"in their 
proper places) fuch things as the Order and Method of 
S f the 
