PROCEEDINGS OF THE THIRD ENTOMOLOGICAL MEETING 741 



Experiment VIII. 



25 lb. wheat, Black-a\vn, 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. 



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

 balls (2| oz.) put in (1), 9 camphor cakes (1 oz.) put in (2), and half 

 an ounce carbon bi.sulphide put in (5), all being plastered up M'ith mud 



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

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

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



On 7th March 1917 all were further damaged by Calandra onjzce. a 

 few Lcemo-phlceus pusillus being present. The weights after sie^-ing 

 out the dust were a.? follows on this date. 



In- 



(1) 15 lb. 3 oz. 



(2) 15 lb. 10 oz. 

 (5) 19 lb. 4 oz. 



