CONTENTS OF VOLUME ONE Dedication ..... The Advisory Council of the Victoria General Advertisement The Hertfordshire County Committee Contents ..... List of Illustrations .... Preface ...... Natural History Geology ..... Climate ..... Palaeontology .... Botany ..... Introduction .... Phanerogamia (Flowering plants) . Notes on the Botanical Districts Cryptogamia (Non-lowering plants) Filices (Ferns') Equisetaceae (Horsetails) . Lycopodiaceae (Clubmosses) Musci and Hepatic* (Mosses and Liverworts') Characeae (Stonettiorts) Algae Lichenes (Lichens') . Fungi ..... Mycetozoa .... Zoology Mollusca (Snails, etc.) Insecta (Insects) Introduction Coleoptera (Beetles) Lepidoptera (Butterflies and Moths) .... Orthoptera (Grasshoppers and Neuroptera (Dragon/lies) History . By JOHN HOPKINSON, F.L.S., F.G.S, Assoc. Inst.C.E. > By RICHARD LYDEKKER, B.A., F.R.S., F.G.S. Edited by JOHN HOPKINSON, F.L.S., F.G.S. By JOHN HOPKINSON, F.L.S., F.G.S. By A. E. GIBBS, F.L.S., F.R.H.S. By JOHN HOPKINSON, F.L.S., F.G.S. By JAMES SAUNDERS, A.L.S. By B. B. WOODWARD, F.G.S., F.R.M.S. Edited by A. E. GIBBS, F.L.S., F.R.H.S. By A. E. GIBBS, F.L.S., F.R.H.S. By E. G. ELLIMAN .... By A. E. GIBBS, F.L.S., F.R.H.S PAGE V vii vii xiii XV xvii xix I 33 4' 43 44 5' 60 61 62 62 62 65 66 69 7 80 81 83 83 no 1 68 xv