1 Down/ 26 Across, 13 pairs up with a bunch around Australia (6,7)
(I have 13 as Philosopher) B?R?C? S?I?O?A
4 Down, Indian waterway that's filled in all areas (5) N?L?A
7 Down, Hair done up with the Spanish covering (6) E?A?E?
15 Down, ... I had to see off Welsh from some Scandinavian course (4,4)
S?D? D?S?
Compiler - PHI
Many Thanks