PROCEEDINGS OF THE THIRD ENTOMOLOGICAL MEETING 



Experiment VIII. 



741 



25 lb. wheat, Black-awn, were put in each of five earthen vessels 

 with 20 live Calandra oryzce weevils on the 15th May 1916 and the covers 

 plastered up with mud. 



Serial 

 No. 



On 6th December 1916 



Weight 

 after 

 sieving out 

 dust 



lb. oz. 



17 6 



18 



7 2 

 22 



Weight 



after 



winnowing 



off chaff 



lb. oz. 



3 8 



Agents of damage 



Remarks. 



C. oryzce with some B. dominica 



Ditto. 



R. dominica with a few C. oryzce 

 and T. castaneum. 



Ditto. 

 C. oryzce with some R. dominica 



Vessel broke and 

 j changed 10th 

 August 1916. 



On 6th December 1916 (3) and (4) were rejected and 24 naphthaline 

 b^lls (21 OZ.) put in (1), 9 camphor cakes (1 oz.) put in (2), and half 

 an ounce carbon bisulphide put in (5), all being plastered up with mud 

 again. 



On 14th December 1916 all insects were Hving in (1) and (2) ; some 

 were dead and most living in (5). On this date J oz. more of CSg was 

 put in (5) and all the three plastered up and left. 



On 7th March 1917 all were further damaged hj Calandra oryzce, a 

 few LcBmopJiloeus pusillus being present. The weights after sieiing 

 out the dust were as follows on this date. 



In- 



(1) 15 lb. 3 oz. 



(2) 15 lb. 10 oz. 

 (5) 191b. 4 oz. 



