392 THE NATURALIST'S CALENDAR 



April 4 Lacerta vulg. (newt or eft) ap. 



5-1 9 Mercurialis perenn. (dog's mercury) fl. 



5 Ulmus glabra fl. 



6-20 Cardamine pratensis (ladies-smock) fl. 



7-26 Cuckoo heard. 



7. May 10 Prunus spinosa (black-thorn) fl. 



7 Termes pulsatorius beats. 



7 Gudgeon spawns. 



8-28 Ruticilla (red-start) ap. 



8-24 Fritillaria imper. (crown imperial) fl. 



9-19 Tit-lark sings. 



10. May 8 Fagus sylv. (beech-tree) 1. 



1 1 . May 9 Shell-snails come out in troops. 

 1 1 Middle yellow wren ap. 



13. May 7 Swift ap. 



14. May 17 Conops calcitrans (stinging-fly) ap. 

 14 Draba verna (whitlow grass) fl. 



14 Larch 1. 



14. May 14 Whitethroat ap. 



14 Red-ant ap. 



14 Gryllus gryllotalpa (mole cricket) 



churs. 



14-19-23 Second willow or laughing wren ap. 



15-19 Pedicularis sylv. (red rattle) fl. 



1 5 Musca carnaria (common flesh-fly) ap. 



1 6 Coccinella bipunctata (lady cow) ap. 

 16-30 Alauda locustae vocae (grasshopper- 

 lark) ap. 



17. May 7 Large shivering willow wren ap. 

 17-27 Middle willow wren (regulus non 



cristatus medius) ap. 



1 8. May 12 Prunus cerasus (wild cherry) fi. 

 1 8. May 1 1 Garden cherry fl. 



1 8. May 5 Prunus domest. (plum) fl. 



19-25 Hyacinthus non-scriptus (harebell) fl. 



20-17 Turtle cooes. 



20. June 1 1 Crataegus oxyacanthus (hawthorn or 



May) fl. 



21 Orchis mascula fl. 



