LIST OF THE CONTRIBUTORS. 



WITH REFERENCE TO THE SEVERAL ARTICLES CONTRIBUTED 



BY EACH. 



Ball, Sie, Egbert, LL.D. page 



Amendment to the "Twelfth and Concluding Memoir on 

 the Theory of Screws": published in the Transac- 

 tions of the Academy, Yol. xxxr., pp. 145-196, . 667 



Brownk, Charles R., M.D. 



The Ethnography of Ballycroy, in the County of Mayo. 



(Plates III. and IV.) 74 



See Cunningham, D. J. — Coefet, Geo. 

 Coffey, George, B.E. 



On Prehistoric Cenotaphs, . . ^. . . .16 

 On Stone Markings (Ship-Figure) recently discovered at 



Dowth, in the County of Meath, .... 586 

 On a Cairn excavated by Thomas Plunkett on Belmore 



Mountain, in the County of Fermanagh, . . 659 



See Plunkett, Thomas. 



Coffey, G., Browne, C. R., M.D., and Westropp, T. J., M.A. 



Report on a Prehistoric Burial near Newcastle in the 



County of Wicklow, 559 



