I could do with some help in the NE corner please:
10d Keep self-possession, heading off after sailor holding British (7)
?B?E???
11d Republican engaged in spreading (lie) in measurement of environmental history (8, 2 words)) ?R?E???? .......... green ? ("lie" belongs to 1a i think?)
9a Put forward eliminating noisy bird and part of its call (4) N???
I can only find 6 themed clues ... they are all across ones...which am i missing? 10d?