1 agent causing BSE consumes end of nerves with lots of cells [6] ?r????
2 admitting second alto performed using local jargon [5] s????
3 leftover bit of rum before fellows start tippling [7] ??d????
4 be clever by saying disjointedly or mishap will arise [8] ???o????
5 man's in fog in foreign city in the far north [8]
any help appreciated