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Indeed it is as a working geologist, as a discoverer, as a collector, 

 and as one who in the infancy of geological science placed before 

 the world the means by which others could write a thesis or found 

 a system, that Dr. Mantell's merits were best displayed, and will be 

 honestly acknowledged. 



At the instigation of the Earl of Egremont, who was a warm friend 

 of Dr. Mantell's, and evinced his admiration of his scientific labours 

 by contributing the sum of £1000 to aid in the formation of his 

 museum, the latter as well as Dr. Mantell's private establishment was 

 removed to Brighton. This change was effected in 1835, but from 

 some unexpected causes the high professional success which attended 

 Dr. Mantell in his native town did not follow him to his new home. 



In 1838 his patron, the Earl, died, and an attempt to keep the 

 museum in Sussex, by the aid of local subscriptions, having failed. 

 Dr. Mantell disposed of his collection to the British Museum for the 

 sum of £5000, and shortly after he went to reside at Clapham, from 

 whence he finally removed to Chester Square. 



His professional practice was not increased by these removals, and 

 was additionally injured by his great devotion to science and archae- 

 ology ; for he was a keen follower of the latter, and opened many 

 tumuli near his native town. He also communicated a paper to the 

 British Archaeological Association ' On the connexion between Geo- 

 logy and Archaeology.' 



His removal to London did not damp his ardour for collecting re- 

 markable geological specimens, and those who have had the gratifi- 

 cation of attending the brilliant soirees of the late Marquis of Nor- 

 thampton, and those of the present distinguished President of the 

 Royal Society, will remember how largely the subject of this memoir 

 contributed, by the exhibition of numerous objects in geology and natu- 

 ral history, to the scientific enjoyment and instruction of the evening. 



Indeed, although he was naturally proud of his acquisitions, which 

 were often of a most remarkable character, he did not hoard them 

 up, but was always ready and willing to allow geologists to use them 

 for scientific' purposes. 



Among his latest contributions to palaeontology, which science his 

 labours have tended greatly to advance, may be particularly men- 

 tioned his paper on the Dinornis, an extinct bird of New Zealand, the 

 bones of which extraordinary creature were sent to him by his son. 



It is to him we are also indebted for the only specimen of the 

 Notornis, also from New Zealand. 



Dr. Mantell's works and writings are extremely numerous. He 

 was a frequent contributor to the Transactions of the Geological So- 

 ciety, on whose Council he served for many years. He also acted as 

 Hon. Secretary in 1841-42, and was Vice-President in 1848 and 1849. 

 His communications to the Royal Society are as follows : — 



Notice on the Iguanodon, a newly- discovered fossil reptile from 

 the Sandstone of Tilgate Forest in Sussex. Read Feb. 10, 1825. 



Memoir on a portion of the Lower Jaw of the Iguanodon, and on 

 the remains of the Hylaeosaurus and other Saurians, discovered in 

 the Strata of Tilgate Forest in Sussex. Read Feb. 18, 1841. 



