THE NATURALIST'S CALENDAR 



393 



April 21. May 23 



22 



22. May 25 

 22. June ii 

 23-29 



23 

 24 



24 



24. May 28 



25 



28. May 20 



30. May 21 

 30. June 6 

 May i 



i . June 1 1 



1-26 



i 



2-24 



2-26 



3-30 



4-12 



4. June 17 



4 



10-30 



10. June 9 



11-13 



13 



15-26 



16 



17-26 



18. June n 



Musca vomitoria (blue flesh fly) ap. 



Black snails abound. 



Apple-trees fl. 



Large bat ap. 



Fragaria vesca (strawberry) fl. 



Erysimum alliaria (sauce alone) fl. 



Prunus avium (bird cherry) fl. 



Apis hypnorum ap. 



Musca meridiana ap. 



Asilus (wolf-fly) ap. 



Papilio brassicae (great white cabbage 

 butter-fly) ap. 



Libellulae (dragon-flies) ap. 



Acer majus (sycamore) fl. 



Bombylius minor ap. 



Glow-worm shines. 



Caprimulgus (fern-owl or goatsucker) 

 returns. 



Ajuga reptans (bugle) fl. 



Gryllus campest. (field crickets) crink. 



Scarabaeus melolontha (May chaffer) ap. 



Lonicera periclymen. (honeysuckle) fl. 



Lathraea squammaria (toothwort) fl. 



Shell-snails copulate. 



Small reed sparrow sings. 



Viburnum lantana (mealy tree) fl. 



Stoparola (flycatcher) ap. 



Apis longicornis ap. 



Passer arund. minor (sedge bird) ap. 



Oak in male bloom. 



Papilio atalanta (admiral butter-fly) ap. 



Papilo cardamines (orange-tip butter- 

 fly) ap. 



Fagus sylvat. (beech) fl. 



Acer campest. (maple) fl. 



Berberis vulg. (barberry) fl. 



Papilio aegeria (wood Argus butter- 

 fly) ap. 



Orange lily fl. 



