PROCEEDINGS 



OF THE 



ROYAL lEISH ACADEMY. 



S C I E ]¥ C E . 



iToL.iii., Ser.1i.] JUNE, 1883. [No. 10. 



CONTENTS. 



PAGE 



yXXXVIII. — ComputatioD. of Tides — Results of Theory and Observation. 

 By James Peaeson, m.a., Ex-Scholar (15th Wrangler) of 

 Trinity College, Cambridge ; Vicar of Fleetwood. ("With 



Plate XIX.), 656 



L XXXIX. — Contributions to the Theory of Screws. By Robeet S. Ball, 

 LL.D., E.K.s., Andrews Professor of Astronomy in the Uni- 

 versity of Dublin, and Ptoyal Astronomer of Ireland, . . 661 

 XC. — Notes on the Flora of Lambay Island, County of Dublin. By 



H. C. Haet, B.A., 670 



XCI. — Report on the Flora of the Mountains of Mayo and Galway. 



By H. C. Hart, b.a., 694 



XCII. — On the Cranium of a Native of Lord Howe's Island. By 

 A. Macalistee, m.d., e.e.s.. Professor of Anatomy, Uni- 

 versity of Dublin, 769 



XCIII Further Evidence as to the Existence of Horned Men in 



Africa. By A. Macalistee, m.d., e.e.s., &c. (Plate XX.), 771 

 XCIV. — On the Crania of Natives of the Solomon Islands. By 



A. Macalistee, M.D., p. E.S., &c., .-. 774 



XCV.— On the Morphology of Joints. (Part First.) By A. Mac- 

 alistee, 31. D., E.E.S. , &C., 7S1 



XCYI. — Report on the Entomology of certain Districts in Ulster. By 



W. F. De V. Kane, m.a., 784 



XCYII. — Suggestions on the Development of the CycHc Law of the 

 Chemical Elements. Bv Thomas Bayley, Assoc. e.c.Sci. 

 (Plate XXI.), . . / 793 



[inutes of Proceedings, December 11, 1SS2, to March 16, 1883, . . 213-222 



Abstract of the Accounts, from 1st April, 1881, to 31st March, 1882. 

 Do. do. from 1st April, 1882, to 31st March, 1883. 



Title-page, Coxtejvts, and Index, to Vol. III. 



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