22 The Regulative Action of Birds upon Insect Oscillations. 



TABLES OP THE FOOD. 



Number of Birds. 



Turdidse. 



Di 



o 



P? 



9 14 4 27 



MniotiltidsB. 



KINDS OP POOD. 



NUJ^BER OF SPECIMENS AND RATIOS IN WHICH EACH ELEMENT 

 OF FOOD WAS FOUND. 



Animal Food 



I. MOLLUSC A. . 



II. Insect A 



1. nymenoptera . 

 Formicidse.. . . 



2. Lepidoptera . . 



Noctuidse (larvaa) 

 Nephelodes violans 

 (larvae) 



Anisopteryx vernata 

 3. Diptera 



9 



1.00 



3 



.01 

 9 



.93 

 4 



.01 

 4 



.01 

 9 



.54 

 6 



.28 

 3 



.14 

 3 

 .21 



Gnats 



4. Coleoptera . . . 



CarabidsB 



Staphylinidae . 



Phalacridse 



HisteridaB 



Scarabseidae 



Anomala binotata 

 Elateridae 



Lampyridse. 



Cerambycidae , 



Psenocerus su- 

 pernotatus . 



Chrysomelidaa.. 

 Khynchophora 



5. Hemiptera 



14 

 1.00 



1.00 



27 

 1.00 



3 



i 



27 

 .96 



17 

 .08 



17 

 .08 



26 

 .34 



12 

 .12 



4 

 .05 



13 

 .16 



6 

 1.00 



1.00 



2 

 1.00 



1 ' 5 2 

 1.001.001.00 



1 

 1.00 



2 

 1.00 

 2 

 07 

 2 



.06 

 2 

 .75 



1 

 1 00 



1 



1.00 



1 



.02 



2 

 1.00 



2 

 1.00 



15 

 .97 



8 

 .03 



5 

 .02 



15 

 .71 



14 

 .64 

 10 

 .03 

 8 



.03 

 14 

 .18 

 2 



.01 

 1 

 .01 



2 

 .03 



10 

 .10 



10 

 .10 



