534 M. LESSONA - COMMEMORAZIONE DI CARLO DARWIN. 
On the different Forms of Tlowers on Plants of the same 
specîes, 1876. 
The Power of Movement in Plants, 1880. 
Geologia. 
On the formation of mould. (Trans. geolog. Soc., 5. vol., 
1887). 
Origin of the saliferous depots of Patagonia. (Journ. geol. 
Soc. 2 vol., 1888). 
On the connection of the volcanic phenomena in South America. 
(Iransac. geol. Soc. 5 vol., 1838). 
On the parallel roads of Glen Roy. (Trans. Phil. Soc., 
1839). 
On the distribution of the erratic boulders in South America. 
(Trans. geol. Soc. 6 vol. 1841). 
On a remarkable bed of sandstone of Fernambuco. ( Phil. 
Mag. 1841. 
Notes on the ancient glaciers of Caernarvonshire. (Phil. Mag. 
20 vol., 1842). 
The structure and distribution of coral reefs, 1844. 
Geological observations on volcanie islands, 1842. 
An account of the fine dust which often falls on the vessels 
in the Atlantic. Ocean. (Proc. geol. Soc., 1845). 
On the geology of the Falkland island. (Journ. geol. Soc., 
1846). 
On the trasportal of erratic boulders from a lawer to a 
higher level. (Ibidem, 1848). 
On the power of icebergs to make grooves on a submarine 
surface. (Phil. Mag. Auy., 1855). 
Geological observations on South America, 1846. 
[A ROSETO 0 
