Zoology:Zoology is Gillian Clarkes ninth Carcanet collection, following her T. S. Eliot Prize shortlisted Ice. The collection opens with a glimpse of hare, whose `heartbeat halts at the edge of the lawn, holding us `in the planet of its stare. Within this millisecond of mutual arrest, a well of memories draws us into the Welsh landscape of the poets childhood: her parents, the threat of war, the richness of nature as experienced by a child. In the second of