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73 
MIGRATION. 
The foregoing evidence suggests that the more northern division 
of Sand-grouse, visiting Cumberland, arrived on the east coast 
between Berwick and Holy Island, striking across the Bewcastle 
fells and proceeding westward to the Solway (and probably the 
Isle of Man,) via Floriston and Thursby. 
The southern division perhaps arrived at Spurn, and after 
following the Humber, crossed north-west Lancashire, pausing at 
Walney before travelling along the Cumbrian shores, or crossing 
the sea to the Isle of Man. There appears to bea recognised line 
of flight adopted by some birds, between Drigg point and the Isle 
of Man. It is more difficult to account for the shifting of the 
Sand-grouse from one place to another. In some instances the 
birds appear to have resented intrusion. At Silloth, for instance, 
ladies with parasols were observed by the writer to frequent the 
sandhills and beach favoured by the birds, and to cause them much 
needless inconvenience. The supply of food has also regulated 
their wanderings, since with us they have fed chiefly on the seed of 
clover, turnip, and rye, which can not be obtained everywhere. 
But their vagaries have proved them to be true Bedouins, inheriting 
a wandering disposition from their progenitors, whose prolonged 
sojourn in sterile regions has clearly induced them to transmit to 
their descendants a roving character. Nor should it be forgotten 
that these strangers landed on British shores whilst suffering from 
migratory fever, under the excitement of which their enormous 
journies appear to-have been executed with comparatively small 
losses. There is no reason to doubt that they will gradually become 
habituated to their new environment, if a few years of rest are 
accorded to them in this country. 
ACCLIMATISATION OF PALLAS SAND-GROUSE. 
During the summer of 1888, the birds have frequented mosses, 
grasslands, and, when possible, ranges of sandhills, feeding chiefly 
on arable fields in the occupation of farmers. They have shewn 
that they can subsist on a variety of seeds, and some of these are 
injurious to the agricultural interests. That they will eat insects 
