214 Geology. 



including Diprotodon, from superficial deposits in Australia, were 

 purchased at a public auction. A skull of an Irish Deer was 

 presented by the Earl of Enniskillen. Mammalian remains from 

 a submerged forest, met with in excavating the Jarrow Docks, 

 Newcastle-on-Tyne, were presented by Messrs. Harrison and 

 Hodgson. 



The first vertebrse of the gigantic extinct lizard, Megalania 

 prisca, were received with other fossil Mammalia from Australia. 

 A skull of the Triassic Cyamodus (then named Placodus), pur- 

 chased this year, proved that this animal was a reptile, not a 

 fish, as previously supposed. 



A further instalment of the Barrande Collection was pur- 

 chased. Donations chiefly of English Jurassic and Cretaceous 

 Invertebrata were continued by Mr. S. P. Pratt. A collection 

 of Tertiary Mollusca from Belgium was purchased from Mr. 

 Binkhorst. Series of Tertiary Mollusca from India were pre- 

 sented by Lieut.-Col. Sykes, from Madeira by Sir Charles Lyell, 

 Bart., and Mr. James Yate Johnson. 



Total number of acquisitions, 9880. 



1858. 



The series of Pleistocene Mammalia was increased by the 

 purchase of the large collection made by the Rev. John Layton 

 from the Norfolk coast and the bed of the North Sea. Plaster 

 casts of skulls of Diprotodon and Nototherium, from Australia, 

 presented by the Trustees of the Australian Museum, Sydney, 

 were also valuable additions. Among earlier Mammalia, a 

 collection of remains of Dinoiherium and other genera from the 

 Middle Miocene of Sansan, France, was purchased from Mr. 

 L. Saemann. 



Among purchases of extinct reptiles may be mentioned the 

 type-skull of the giant turtle (Chelone gigas) from the London 

 Clay of Sheppey ; a Teleosaurian skull from the Upper Lias of 

 Whitby ; various other Liassic reptilian remains, including the 

 first skull of DimorpTiodon macronyx from Lyme Regis ; and some 

 bones of Iguanodon from the "Wealden of the Isle of Wight. 



A large collection of Cretaceous and Tertiary fossils from 

 Switzerland and the adjoining parts of Germany, was purchased 

 from Dr. Bruckmann. About 200 Middle Eocene Mollusca 

 from Stubbington, Hampshire, were purchased from Mr. Henry 

 Keeping. 



