The Zoologist — July, 1871. 2675 



27. (Wheateav arrived. — J. W.) 



30. Thrush laying. Garlic in leaf. 



31. (Redbreast's nest with four eggs. — P. I.) 



April. 



1. Robin laying. Bees and other insects abroad. 



2. Marsh titmouse in song. Blackheaded bunting pairing. 



3. Poplar in flower. Wild mignonette in leaf. Wren, lark, 

 titlark, thrush, corn bunting and chaffinch in full song. 



4. Black currant and gooseberry in leaf. Willow in flower. 

 (First " weeking" of young rooks. Thrush's nest with four eggs. — 

 P.L) 



5. Leaves of horse-chestnut unfolding. Heard fieldfares. 



6. (Yellow star of Bethlehem in flower. Ten species of Noctuae 

 on the sallow blossom. — P. I.) 



7. Saw tortoiseshell butterfly. 



9. Sparrows commence building in trees. Thrush sitting. 

 Anemone and violet in flower. Willow-bloom, which had been 

 retarded by harsh weather, suddenly and rapidly unfolding. 



10. Chaffinch building. (ChifFchaff appeared. First white 

 butterfly.— P. /.) 



1 1. Found several dead humble bees after the showers and cold 

 of the two previous days. (Redstart and swallow returned. — P. I.) 



13. Elder in leaf. (Tree pipit and willow wren appeared. — 

 P. /.) 



14. Sand martins passing northward. Saw yellow wagtail. Crab 

 in leaf. (Whinchat heard. — J. W.) 



15. Rooks have young. Heard chiffchaff and willow wren. 

 Caddis-flies out. Walked along the canal-side from Agbrigg to 

 Cold Hiendley. Observed the stream bubble-shell, the oblong 

 limpet, the round-edged coil-shell (P. spirorbis), the flattened coil- 

 shell (P. marginatns), the amber snail, and Bithinia Leachii on 

 aquatic plants. Found in the mud the fresh water mussel, and 

 the marsh shell {Paludina vivipara). (Heard cuckoo. Stonechat 

 on ledges of rock. — P. /.) 



16. First queen wasp. Numbers of bees, ladybirds, and various 

 other insects on wing. Heard tree pipit. Poplar and rose in leaf. 



17. Tortoiseshell and white butterflies abroad. 



18. Wild cherry and primrose in flower. (Blackcap in full 

 song. Curlew's nesting note. Tiger beetles on wing. — P. /.) 



