X INDEX. 



Meldrum, A. N. The Development of the Atomic Theory : (2) the various 

 accounts of the origin of Dalton's theory. M. 3. (3) Newton's theory, 

 and its influence in the iSth century. M. 4. (4) Dalton's physical 

 atomic theory. M. 5. (5) Dalton's chemical theory. M. 6. (6) The 

 reception accorded to the theory advocated by Dalton. M. 19. (7) 

 The rival claims of W. Higgins and J. Dalton. M. 22. 



Obituary notice of Stanislao Cannizzaro. P. xxxii. 



Metaphosphoric acid, hydration of. By J. E. Myers and A. Holt. P. xvii. 

 Microckidus homalospondyhis (Owen), limbs of. By D. M. S. Watson. 



M. 17. 

 Microckidus macropierus (Seeley). By D. M. S. Watson. M. 17. 

 Morphogenesis of certain Pelecypoda. By M. C. March, (i) M. 8. (2) 



M. II. (3) M. 15. 

 Myers, J. E. and Holt, A. The hydration of metaphosphoric acid. P. 



xvii. 

 Newton's theory, and its influence in xviiith cent. By A. N. Meldrum. 



M. 4- 

 Nicholson, F., Dr. Adam Bealey and Dr. Dalton. P. xii. 



Obituary notice of Rev. R. Harley. P. xxxv. 



Obituary Notices. — Cannizzaro, S. P. xxxii. Harley, Rev. R. P. xxxv. 



Hoff, J. H. van't. P. xxxvii. Huggins, Sir W. P. xxxix. 

 Ophiogkssum znc^gafutii, abnormal spike of. By II. S. Holden. M. 9. 

 Origin of cometary bodies and Saturn's rings. By H. Wilde. M. i. 

 Origin of Roman numerals i. — x. By W. Boyd Dawkins. P. xvi. 

 Ornament of Tngonia clavellata and some of its derivatives. By M. C. 



March. M. 15. 

 Osteocella sepkntrionalis (Gray). By S. J. Hickson. M. 23. 

 Oxlip and Primrose hybrid. Exhibited by F. E. Weiss. P. xxiv. 

 Pavonazzo marble, exhibit of. By G. P. Varley. P. x. 

 Pelecypoda, morphogenesis of. By M. C. March. M. 8, 11, and 15. 

 Periodic times of Saturn's rings. By II. Wilde. M. 14. 

 Physical properties of rubber. By A. Schwartz and P. Kemp. M. 12. 

 Plesiosaurian pectoral girdle from the Lower Lias. By D. M. S. Watson. 



M. 16. 

 Prevention of tarnishing of silver-on-glass parabolic mirrors. By T. Thorp. 



P. iii. 

 Primrose and Oxlip hybrid. Exhibited by F. E. Weiss. P. xxiv, 

 Priimda elatior and P. acaulis, hybrid of. Exhibited by F. E. Weiss. P. 



xxiv. 

 Quinone, action of hydrogen peroxide on. By E. Knecht. P. xxiv. 

 Radio-active Recoil, scattering during. By W. Makower and S. Russ. 

 M. 2. 



