Vlll PREFACE. 



and hence it may not be unavailing to specify certain 

 points on which information is desired. 



1. Altitudes of hills, lakes, and fixed objects. 



2. Information on the climate of places, particularly 

 with reference to the temperature and humidity. 



3. Dates of the first flowering of any of the follow- 

 ing wild plants, if carefully noted : — 



Corylus Avellana Ranunculus Ficaria 

 Prunus spinosa Viola canina 

 Crataegus Oxyacantha Oxalis Acetosella 

 Rosa canina Veronica Chamaedrys 

 Lonicera Periclymenum Hyacinthus non-scriptus 

 Ulex nanus Arum maculatum 

 Hedera Helix Cardamine pratensis 

 Erica Tetralix Lotus corniculatus 

 cinerea Vicia Cracca 



Calluna vulgaris Digitalis purpurea 



Cytisus scoparius Linaria vulgaris 



Ilex Aquifolium Senecio Jacobaea. 



4. The highest or lowest places at which any species 

 has been observed, whether in absolute height, in 

 comparison with the appearance or cessation of other 

 species, or in relation to the parts of particular moun- 

 tains, as at the base, middle, or summit; provided 

 such heights are not considerably within the limits as- 

 signed to the particular species in the present work. 



5. Unpublished, or recently confirmed localities for 

 the less common species; as also, localities near the 



