94 Proceedings of the Royal Society 
1845 liis “ Fruit, Flower, and Kitchen G-arden,” which was a 
republication of the article “ Horticulture ” in the Edinburgh 
Encyclopaedia. Dr Neill communicated only two papers to the 
Wernerian Transactions, one entitled List of Fishes in the 
Forth, and Lakes and Kivers near Edinburgh,” and another “ On 
the Fossil Remains of the Beaver in Perthshire and Berwickshire.” 
Dr Neill died in 1851, and bequeathed to the Royal Society of 
Edinburgh the sum of L.500, “the interest of which was to be 
applied in furnishing a medal every second or third year to any 
distinguished Scottish Naturalist, to be adjudicated by the Council 
of the Society.” 
In fulfilling this trust, the Council wisely adopted the triennial 
in place of the biennial period, and the first adjudication of the 
prize was made to Dr Lauder Lindsay for his researches on the 
structure of lichens. 
The second adjudication was made to Dr Robert Kaye Greville 
“for his contributions to Scottish Natural History, more especially 
in the department of Cryptogamic Botany, including his recent 
papers on Diatomaceee.” 
Dr Greville’s contributions to Natural History have been both 
numerous and valuable, and their merits have been recognised by 
the most distinguished Botanists of the age. His “ Scottish Cryp- 
togamic Flora ” was published between 1823 and 1828. His 
“Flora Edinensis” appeared in 1828. His “Algae Britannicm, 
or. Description of Marine and other Inarticulated Plants in Britain 
belonging to the order Algae,” was published in 1830, and he has 
inserted in the “Microscopical Journal” no fewer than twelve 
papers on the Diatomaceae, an interesting subject which still 
occupies his attention. 
But Dr G-reville’s services to science have not been limited by his 
writings. He has been an ardent collector of plants and other objects 
of natural history; and his complete herbarium of Phanerogamous 
and Cryptogamous plants, as well as his collection of insects, have 
been placed in the Museum of our University. He has also made 
a collection of land and fresh-water mollusca, which is the finest 
in Scotland. 
These various contributions to natural history have been highly 
appreciated both in this and in foreign countries. In 1824 the 
