Shop › A Key to the Adults of the British Emphemeroptera. SP47. JM Elliott & UH Humpesch Image 1 of 1 A Key to the Adults of the British Emphemeroptera. SP47. JM Elliott & UH Humpesch £10.00 Quantity: Add To Cart Added! You Might Also Like Investigations of Phytoplankton, with special reference to water usage - OP13 The Windermere Ferry Sale Key to the larvae of the British Orthocladiinal - SP45 - PHOTOCOPY ONLY Mayfly Larvae (Ephemeroptera) of Britain and Ireland by JM Elliott & U H Umpesch A Guide to Estimating Microbial Numbers and Biomass in fresh water - SP39
