Description | Includes articles 'Species Rich Hedges On The Chalk And Jurassic Beds Of East Yorkshire' by D J Boatman, 'Upper Humber - Whitton Island' by David W Ralphs, 'Phacelia Tanacetifolia Benth And Organic Gardening' and 'Drosophilia Fruit Flies In Compost Bins, Two New Species For Yorkshire' by Ray Eades. |