1. THE USEOF SoAP FILMSIN SoLVING TORSTON PR��BLENS (witb A. A. Griffith). 2. THE PROBLEM OF FLEXURE AND TTS SOLUTTON BY THE SOAP-FILM METHOD (with A. A. Grictb). 3. THE APPLICATION OF SOAP FILMS TOTHE DETERMINATION OF THE TORSION AND FLEXURE OF HOLLOW SHAFTS (With A. A.Griffith) 4. A RELATION BETWEEN BERTRAND'S AND KELVIN'S THEOREMS ON IMPULSES 5. THE DISTORTION OF AN ALUMINIUM CRYSTAL DURING A TENSILE TEST (With C. F. Elam). 6. THE HEAT DEVELOPED DURING PLASTIC EXTENSION OF METALS (with W. S. Farren). 7. THE PLASTTC EXTENSTON AND FRAGTURE OF ALUMINTUM CRYSTALS (with C. F. Elam). 8. NOTES ON THE'NAVIER EFFEOT' 9. THE DISTORTION OF CRYSTALS OF ALUMINIUM UNDER COMPRESSION.PART �� (with W.S. Farren). 10. THE DISTORTION OF IRON CRYSTALS (wvith C. F. Mlam). 11. THE DISTORTION OF SINGLE CRYSTALS OF METALs. 12. THE DISTORTION OF CRYSTALS OF ALUMINIUM UNDER COMPRESSION. PART ��. DISTORTION BY DOUBLE SLIPPING AND CHANGES IN ORIENTATION OF CRYSTAL AXES DURING COMPRESSION. 13. THE DISTORTTON OF CRYSTALS OF ALUMINIUM UNDER COMPRESSION. PART ��. MEASUREMENTS OF STRESS. 14. THE DEPORMATTON OF CRYSTALS OF B-BRASS. 15. RESISTANOE TO SHEAR IN METAL CRYSTALS. 16. THE PLASTTO DTSTORTTON OF METALS (with H. Quinney). 17. TH DTSTOBTTON OF WTRES ON PASSING THROUGH A DRAWPLATE (with H. Quinney). 18. THE BUCKLING LOAD FOR A RECTANGULAR PLATE WITH FOUR CLAMPED EDGES. 19. TH�� LATENT ENERGY REMAINING TN A METAL ARTER COLD WORKING (with H. Quinney). 20. FAULTS IN A MATERIAL WHIOH YIELDS TO SHEAR STRESS WHILE RETAINING ITS VOLUME ELASTICITY. 21. THE M��HANISM OF PLASTIC DEFORMATION OF CRYSTALS.PART ��.THEORETICAL. ����