errata. 
In page 456, /. 21. r. Tab. II. Fig. 8. 
In page 548, /. 28. add, by the Direction of the 
Strokes according to the Rules of Heraldry. 
In page 5-49, /. 10. add, fee Tab. IX. 
Printed for C. Davis, over-againft Grafs InnGate 
vaHolbourn, Printer to the Royal Society, 
M.dcc.xlvii. 
