60a biologist specialise classification organisms into groups based shard c haracteristics ?a?o?o?i?t, is it batologist? 53d first 8 parrying positions in fencing ?r?m? thanks...
23a books introduction gets umpire in step, is it preface or prefect, have ?rF?c? 13a useful device tagged wrongly, have ?a?g??. Both clues are cryptic . thanks