SOO Bones of the Igiumodori. 



2. Ten Sovereigns, or a piece of Plate of that value, for the best 

 Natural and Economical History of the Fishes — marine, fluviatile, 

 and lacustrine, of the River District of the Forth. A collection of 

 Specimens of the rarer Fishes will be desirable. — To be given in 

 against December 1835. 



3. Ten Sovereigns, or a piece of Plate of that value, for the best 

 Account of the Entomology of the Three Lothians, and River Dis- 

 trict of the Forth ; with a Collection of Specimens, and Map of the 

 distribution of the Insects. — To be produced against December 1836. 



4. Ten Sovereigns, or a piece of Plate of that value, for the best 

 Essay on the Botany of the Mountains of Scotland, in connection 

 with their Geological Structure and Composition ; with Specimens, 

 and a Map of the Distribution of the Plants. In this Essay, the 

 range of elevation, and the northern and southern limits of the dif- 

 ferent species, should be attended to, and any facts tending to illus- 

 trate the geographical distribution of plants carefully recorded. It 

 would also add greatly to the interest of the communication if it were 

 accompanied with a coloured Geognostical Map of the mountainous 

 districts examined. — To be produced against December 1837. 



5. Ten Sovereigns, or a piece of Plate of that value, for the best 

 Account of all Avertebrate Animals, (with the exception of Insects 

 and their larvae), inhabiting the River and Firth of Forth, their tri- 

 butary streams, and the lakes included in the basin of the Forth ; 

 with a collection of Specimens.— To be given in against December 

 1837. 



Communications may be addressed either to Professor Jameson, the 

 President, or to Mr Neill, Secretary of the Society, Edinburgh. 



Discovery of the Bones of the Iguanodon in a quarry of Ken- 

 tish Rag (a limestone belonging to the lower greensand for- 

 mation) near Maidstone^ Kent. Communicated by Gideon 

 Mantell, Esq. F.R.S. &c. 



Some time since a paragrapli appeared in the London papers, 

 stating that some gigantic antediluvian bones had been foimd in 

 a stone-quarry on Rockhiil, near Maidstone, belonging to a Mr 

 Prinsted ; that they had been inspected by the curious in the 

 neighbourhood ; but that no one could guess their origin, or to 

 what sort of animal they could have belonged. Mr Prinsted 

 had the politeness to inform Mr Mantel! of Brighton (late of 



