The total number of registered voters in Cornwall and Scilly (not including of course those not on the electoral register and those that shouldn't be i.e. second home owners) is 458,278. By the Coalition's "mathematics only" considerations the desired number of electors in each constituency must be between 72,810 and 80,473, so even if Cornwall had 5 MPs representing 80,743 we would have 16,500 voters left over. To have 5 Cornish only MPs would require seats of 83,733. But no we couldn't have Cornish constituencies with an extra 3,300 voters, quite why who knows? All attempts to gain special consideration for our ancient Celtic nation and it's border were flatly refused by the government and at no point did Clegg or Cameron seem to take the issue seriously.
Realistically the Boundary Commission want constructive criticisms during their consultations, they want alternatives but within the constraints of Devonwall. The Cornish border has been voted into oblivion and only the Coalition government can stop that now by voting against the government when the bill returns to parliament. If you are interested in going to the consultation in Truro (frustratingly the only Cornish venue) it's on the 10th and 11th of November at the Alverton Manor Hotel on Tregolls Road link.
I don't have a lot more to say on the subject more than I have done already:
Undemocratic, disengaging, insulting, stupid, and unsympathetic..
also see Dick Cole's blog on the subject:
Bad news coalition plans for Devonwall