HISTORY OF THE SuC'lETY. 469 



found. — Dr Greville then laid before the meeting a very charac- 

 teristic drawing by Mr Price, and a short notice, of a remark- 

 able appearance in the Claydach coal and iron mines, Brecon - 

 shire, which the Doctor conjectured to be the lower extremity 

 of a gigantic monocotyledonous vegetable. The remains are 

 about ten feet in height, and five feet in diameter. — The Secre- 

 tary read a letter from Mr James King, Sydney, New South 

 Wales, respecting his discovery of a very pure sand near Syd- 

 ney, free from metallic or other impurity, and wishing the Society 

 to express its opinion of the importance of this sand as an article 

 of commerce. 



Dr Charles Anderson, Vice-President, in the chair. — Mr Neill 1834. 

 read a notice regarding the discovery, by Mr Walter Calverley 

 Trevelyan, of Trichonema Bulbocodium, growing plentifully in 

 sandy turf, on " the Warren," near the mouth of the Exe, De- 

 vonshire, evidently a native habitat, and the plant therefore 

 falling to be added to the British Flora. — Professor Jameson 

 read Dr Meredith Gairdner's Physico-Geognostical sketch of 

 Owhyee, the island where Captain Cook was killed, and exhi- 

 bited various specimens of quadrupeds, birds, and minerals, from 

 that island ; and likewise two remarkably compressed skulls of 

 North-west American Indians — The Secretary read some no- 

 tices regarding the poisonous toad-fish of Van Diemen's Land ; 

 communicated by Dr A. Henderson, R.N. — Dr Greville exhi- 

 bited the radical leaf of the remarkable monocotyledonous aqua- 

 tic discovered in Madagascar by the late M. De Petit Thouars, 

 and called Hydrogeton fenestralis, the whole having the appear- 

 ance of a skeleton-leaf. — Professor Jameson then gave an account 

 of the Rev. Mr O'Heirn's (curate of Ardguine, Portaferry) mag- 

 netical experiments, with a description of a new instrument in- 

 vented by that gentleman, called the magneto-electric ring. The 

 Professor also communicated a table, constructed by Mr Brown 

 of Langfyne, shewing the quantities of rain which fell in 1833 at 



