24 
MKMOIB OF PENN.4NT. 
common species. “ The thrushes,” he observes, “ ex- 
erted the same melody in this scene of horror, as tliey 
do in the groves of Hertfordshire.” It may be ob- 
served, that these birds do not dislike an abode by the 
shore, wherever a little brush will shelter them, and 
the “grove of elder trees,” beneath the ruins, would 
afford ample covering for their nests, the only time 
it would be needed, as, with an advance of season, 
they would commence their migration to a more hos- 
pitable shore. The common black snail. Avion aler, 
and striped-shell snail, were seen “ very unexpected- 
ly but they are both occasionally met with in most 
of the little islands where there is much rough cover- 
ing, besides several other land shells. 
From Ailsa Crag the party skirted the Mull of 
Camyre, visited Gigba, and attempted to reach the 
isle of Isla. They were prevented fi'om doing this by 
a calm ; and, during its annoying continuance, with 
his characteristic industry. Pennant engaged himself 
in compiling an ancient history of the Hebrides. It 
was not till during night, that the breeze sprung up, 
they were enabled to enter one of the small harbours 
in Jura. Here the tourists experienced the attention 
of the principal proprietor, Mr Campbell, who sent 
them horses to ride over and explore the island. 
This they proceeded to do on the day following, and 
ascended the highest of the Paps. This mountain is 
compared to a huge cairn, of very difficult ascent ; but 
the labour is amply recompensed by “ the grandeur 
of the prospect from this sublime spot.” “ Jura 
