NATURAL PERIODIC PHENOMENA. 125 



February 12. Adder, (Pelius Berus), sunning itself. 



— Elder, (Sambucus nigra), fol. 



15. Wren, (Troglodytes Europoeus), sings. 



22. Blackbird, (Turdus Merula), sings. 



27. Skylark, (Alauda arvensis), sings. 

 March 2. Dog-violet, (Viola canina), fl. 



3. Books, (Corvus frugilegus), build. 



— Stellaria holostea, fl. 



— Yellow-hammer, (Emberiza citrinella), sings. 



4. JVood-sorrel, fOxalis Aeetosella), fl. 



6. Privet, (Ligustntm vidgare), fol. 



7. Lilac, (Syringa vulgaris), fol. 



— Sidphur Butterfly, (Gonopteryx rhamni), seen in great 



numbers. 



12. Wild Strawberry, (Fragaria vesca), fl. 



13. Blackthorn, (Primus spinosus), fl. 



— Caltha palustris, fl. 



14. Whitetliorn, (Cratcegus oxycantha), fol. 



17. Ground Ivy, (Glechoma hederacea), fl. 



18. White dead-nettle, (Lamium album), fl. 



— Colt's-foot, (Tussilago farfara), fl. 



23. Wood Anemone, (Anemone nemorosa), fl. 



25. Sycamore, (Acer pseudo-plcttanus), fol. 



26. Horse-chesnut, (JEsculus Hippocastanum), fol. 

 31. Birch, (Betula alba), fol. 



— Germander Speedwell, (Veronica Chamoedrys), fl. 

 April 1. Glow-worm, (Lampyris noctiluca), shines. 



2. Blue-bell, (Hyacinthus non-scriptus), fl. 

 ■ — Sandmartin, (Hirundo riparia), seen. 



3. Wood Argus Butterfly, (Lascommata), seen. 



4. Chifi"chaff, (Sylvia hippolais), seen. , 



6. Lime Tree, (Tilia Europoea), fol. 



— Adoxa Moschetellina, fl. 



— Arum-maculatum, fl. 



7. Hazel, (Corylus Avellana), fol. 



8. Broom, (Cytisus scoparius), fl. 



— Early purple Orchis, (Orchis mascula), fl. 



— Tuberous Vetch, (Orobus tid)erosus), fl. 



— Wheatear, (Saxicola cenanthe), seen. 



K 3 



