16 Across Crossing over the optic nerves of the brain. (7) CHIASM_ 30 Across A late Palaeolithic culture of what is modern Tunisia. (7) _A_S_A_ 40 Across Hierarchical scientific school of philosophy....
you mag 15 across - Dry Humour (7) _e_n_s_ I've got Slip-cov[e]r for 1 down (rectangular object for holding papers securely) - providing the e - which might be wrong (9) _L_P_O_ _ _
32 down town in south east central england on the river ouse 7 letters ?e?f?r? 35 down 1-5 letters girders with a cross section of our ninth letter i ?e?m?
Just three to go - 3d Variable Resistor (8 letters) R_E_S_A_, 7d obstruct, clog (7 letters) O_C___E, and 12a gathering places (6 letters) -E___S Can anyone help with these? Thanks in advance.