Totally lost in the bottom right hand corner. Should be so simple, but I just can't get it! Mind you, a hangover doesn't help!
21a Fundamental (6). 24a Bite (4) 18d Infrequent (6)...
17a primitive fish like vertebrate 7 letters -a-p-e- 24a 4 letters airfield fog disperser used in WW11 -i-o 18across expression from Latin meaning in the open air 3 & 4 letters -u- j-v-o ( I get...
