a pretty large town of Italy, in the territory of the church, and patrimony of St Peter, with a bishop's see. It is seated on a mountain, near the river Paglia, ten miles W. of Orvietto, and 57 N. by W. of Rome. It takes its name from a fall ABACUS.

Fig. 1. Thousands Hundreds Tens Units Anne Demini.

Fig. 2. National Debt. According to M' Tierney. According to M' Morgan. New Sinking Fund. Old Sinking Fund. According to M' Addington

ACOUSTICS.

Fig. 1. E B C D

Fig. 2.

Fig. 3.

Fig. 4. S O L H M m N I K P h

Fig. 5. A G B

Fig. 6. F H D

Fig. 7. A G B

Fig. 8. E F G D E F G D E F G C

Fig. 9. A D C B

Fig. 10. D E F G H I A B C

Fig. 11. A E G F H I B C D

Fig. 12. A H G F E C B L M N K O I

Published by A. Constable & Co. Edinb. 1820. fall of water near it, and is now almost desolate. E. Long. 11. 53. N. Lat. 42. 43.