2676 The Zoologist — July, 1871. 



20. Robin hatched. (Whitethroat near York.— P. /.) 



21. Larch and horse chestnut in leaf. Heard whitethroat. 

 (Grasshopper warbler in song. York. — P. I.) 



22. Flocks of sand martins about. Cuckoo heard. 



23. Greenfinch laying. Chaffinch sitting. Ground ivy in flower. 



24. Whinchat in song. Saw laraperns, which a friend had 

 caught in the beck that runs round this village. 



26. Saw swallows. (Wood wren arrived. Sand martins on 

 the lake. Paris quadrifolia in flower. — P. I.) 



27. Caddis-worms frequently work the seeds of wild plants into 

 their cases, together with shells, bits of wood and straw : I have found 

 germinating seeds, and sometimes living shells, on them. Seeds may 

 thus be carried away on the empty cases by flowing water, and 

 distributed. 



29. Lesser whitethroat and common whitethroat arrived. Elm 

 and thorn in leaf. Meadow rush in flower. (Garden warbler in 

 wood near the Lodge. First blue bells. — P. I). 



May. 



1. Sloe, ground ivy and willow in flower. Various bees at the 

 gooseberry flowers. (Nest of stock dove, containing two young 

 ones, built in a hollow oak struck by lightning ; young birds nearly 

 fledged.— P. /.) (Saw swallows.—^. F. W.) 



2. Heard fieldfares. 



3. Alder in leaf. (Nest of oxeye titmouse, built entirely of 

 rabbits' down. Stitchwort, tricolourcd violet and cowslip in 

 flower.— P. /.) 



4. (Lily of the valley flowering in our woods. Bay willow in 

 leaf, .^cidium albescens on muscatel leaves. — P. I.) 



7. Redstart not yet seen ; no martins. Sedge warbler arrived. 

 Beech in leaf. (Young rooks leaving their nests. Tiger beetles 

 on Scawton Moor. — P. I.) 



8. Lime tree in leaf Blue-bell and germander speedwell in 

 flower. 



10. Red rattle and vernal grass in flower. Heard corncrake. 

 (Heard lesser whitethroat. — P. /.) 



12. Yellowhamraer and skylark sitting. Broom and red campion 

 in flower. 



15. Crosswort, buttercup and chervil in flower. (Flycatcher 

 arrived. — /. W.) (Spotted flycatcher arrived. — P. /.) 



