6 4 



SECOND REPORT ON ECONOMIC BIOLOGY. 



shire, Worcestershire, and Staffordshire. The numbers from each 

 county during each month are shown in the following- table : 



MONTHLY REGISTER. 



January. Twenty birds were received during the month. The 

 food consisted of 60 dung beetles (Aphodius fimetarius, Linn.), 116 

 black ground beetles (Pterostichus madidus, Fab.), remains of 230 

 beetle larvae, 17 injurious worms (Allobophora chlorotica, Sav.), 12 

 wireworms, 4 click beetles, 3 shells of snail (Hyalinia), bits of bread, 

 cooked potato, acorns, and a few grains of wheat and seeds. 



February. Number of birds received, 22. The food contents 

 were : Remains of 162 beetle larvae, 2 wireworms, 18 millipedes 

 (Blaniulus guttulatus, Bosc.), remains of various beetles (Aphodius, 

 Agriotes, Alophus, and Harpalus), remains of numerous slugs, 7 earth- 

 worms, few grains of wheat, bits of grass, and household refuse. 



March. Twenty-four birds were received during the month. The 

 food contents were as follows : 



12 wireworms, 4 click beetles (Agriotes lineatus, Linn.), 130 dung 

 beetles (Aphodius fimetarius, Linn.), remains of numerous weevils, 22 

 millipedes (Blaniulus and Polydesmus), i shell of Hyalinia, 3 of Helix 

 rufescens, 140 dipterous larvae, 18 larvae of Gt. Yellow Underwing 

 Moth, few seeds and bits of grass. 



