Aliquot:The chemist with a sample analyses an aliquot of that sample, a part of a part of a larger whole. The title of John Clegg's new collection speaks to the poems' sense of being parts of larger wholes, themselves parts of a larger whole The scientific knowledge and the sometimes old fashioned diction that abound in these poems are both part of worlds of reference in which sequencing (narrative, historical, scientific) is crucial and revelatory, as in the