Philosophical Transactions/Volume 20

Contents
Title Page	i
Epistle Dedicatory	ii
Number 236	1
Number 237	41
Number 238	65
Number 239	105
Number 240	165
Number 241	205
Number 242	245
Number 243	269
Number 244	309
Number 245	349
Number 246	389
Number 247	429
Index	469