206 Geology. 



Nottinghamshire, was presented by the Duke of Rutland. 

 Specimens of Ichthyosaurus, from the Upper Lias of Whitby, were 

 also purchased. 



Among fishes, the unique type-specimen of Holoptychius 

 nobilissimus, Agassiz, from the Upper Old Red Sandstone of 

 Perthshire, was purchased from Rev. James Noble. A slab of 

 Keuper Sandstone from Coburg, exhibiting several specimens 

 of Dictyopyge socialis, was also purchased. 



A fine slab of Lower Lias from Watchett, Somersetshire, 

 covered with "aggregated iridescent ammonites" (Psiloceras 

 planorbis), was acquired by purchase. 



1841. 



Remains of the cave bear (Ursus spelseus) from the Sophia 

 Cavern, Muggendorf, Franconia, were purchased through the 

 Earl of Enniskillen. Bones of Pleistocene Mammalia from the 

 caverns of Minas Geraes, Brazil, were purchased from Mr. 

 Claussen. Fragments of Mastodon, <kc., from Burma and from 

 Perim Island, Gulf of Cambay, were presented respectively by 

 Lieut. -Col. Burney and Miss Pepper. 



The type-skull of Steneosaurus brevior, Tate and Blake, from 

 the Upper Lias of Whitby, was purchased from Mr. Ripley. 



A slab of Petworth marble, from the Wealden of Sussex, 

 was presented by Mr. George Thornton. 



The Gilbertson Collection of Carboniferous fossils from 

 Lancashire and Yorkshire, was acquired by purchase for the 

 Department of Zoology. 



1842. 



The MacEnery Collection of Pleistocene Mammalian remains 

 from Kent's Cavern, Torquay, was purchased at a sale. Skulls 

 of male and female Irish Deer (Cervus giganteus), from Ireland, 

 were purchased through the Earl of Enniskillen. 



A skeleton of Pelagosaurus brongniarti, a head of Ichthyo- 

 saurus, and other fossils from the Upper Lias of Whitby, were 

 purchased from Mr. Ripley. 



1843. 



A skeleton of the Irish Deer (Cervus giganteus), composed of 

 the bones of several individuals, was presented by the Ven. 

 Archdeacon Maunsell, and first mounted for exhibition in the 



