Solus \So"lus\, masc. a., Sola \So"la\, fem. a.[L.] Alone; -- chiefly used in stage directions, and the like.
CD says it would charge about Pounds 17 per 1,000 for the delivery of 30g samples if they were delivered with other items, while 'solus' distribution would cost about Pounds 35. Personal call sampling costs about 10 times more, says Wells.