VI 



Page 



On the Ogham Chamber at Drumloghan. By the Lord Bishop of Limerick, . 119 

 On Muscular Anomalies in Human Anatomy, and their bearing upon Homo- 

 typical Myology. By Alexander Macalister, Esq., 121 



On the Occurrence of the Number Two in Irish Proper Names. By W. P. 



Joyce, A. M., 164 



On Chinese Porcelain Seals found in Ireland. By W. Frazer, Esq., ... 172 



On Original Sketches of Coats of Arms presented by Geo. V. Du Noyer, Esq., . 179 



On the Rotatory Motion of the Heavenly Bodies. By Rev. W. G. Penny, . 189 



On Irish Sponges (Part I.). By E. Perceval Wright, M. D., 221 



On the Cave of Knockmore, County Fermanagh. By W. F. Wakeman, Esq., . 229 



On Rock Carvings. By H. M. Westropp, Esq 232 



On the Geology of the County Antrim, &c. By John Kelly, Esq., C. E., . . 235 

 On the Inscribed Cavern in Parish of Bohoe, County of Fermanagh. By W. F. 



Wakeman, Esq., 327 



On recent Excavations at Howth, County Dublin. Ey Rev. J. F. Shearman, . 330 

 On the Physical Conditions of Climate during different Geological Epochs. By 



Professor Hennessy, F.R.S., . 334 



On Two Streams flowing from a Common Source in opposite Directions. By H. 



Hennessy, F.R.S., 335 



On Earthen Vases found at Palmerstown, County Dublin. By W. Frazer, Esq., 336 

 On an Inscribed Stone in Tullagh Churchyard, County Dablin. By Henry 



Parkinson, Esq., 340 



On the Imaginary Roots of Numerical Equations, &c. By J. R. Young, Esq., 343 



On an Ogham Stone in Glen Fais, County Kerry. By Richard Rolt Brash, Esq., 384 

 On the Cavern called "Gillies' Hole," at Knockmore, County Fermanagh. By 



W. F. Wakeman, Esq., 395 



On the Occurrence of Mammalian Bones, Brown Coal, and Pebbles in Mineral 



Veins. By William K. Sullivan, Ph. D., 397 



Catalogue of Coats of Arms from Tombstones, &c. By George V. Du Noyer, 



Esq., . . ....*". ... 402 



On the Flora of the Seychelles Islands. By E. Perceval Wright, M. D., . . 413 

 Biographical Notice of the late George V. Du Noyer, Esq. By Alphonse Gages, 



Esq., . . 413 



On Colophonine and Colophonic Hydrate. By Charles R. C. Tichborne, F.C.S., 415 



Biographical Notice of August Schleicher. By Dr. Lottner, 415 



On the Goddess of War of the Ancient Irish. By W. M. Hennessy, Esq., . . 421 

 On Ancient Sepulchral Monuments found in the County Galway. By M. Brogan, 



Esq., 440 



On the Rivers of Ireland, with Derivations of their Names. By Owen Conuel- 



lan, LL. D., 443 



On an Ancient Cup and Brooches, found near Ardagh, in the County Limerick. 



By Right Hon. Earl of Dunraven, 458 



On a Modification of Regnault's Condensing Hygrometer, with Observations on 



the Psychrometer. By M. Donovan, Esq., 459 



