ROBERT BOYLE 1627-91 The portrait here reproduced is affribufed to Jonathan Richardson, Sr., and at one time belonged fo the collection of fhe Counfess of Loudoun. I f now hangs on the walh of fhe Insfifufe of Chemistry of Great Britain and Ireland i n London. For a phofographic copy andfor permimion to publish we are indebted to H r . Richard B. Pilcher, Registrar and Secretary oj the Institute. Contributed by 17. B. Dains
