26 



Table 10. TABULATIONS OF RELATIVE TOXICITIES ON INSECTICIDES TO BOBWHITE 

 QUAIL AND RING-NECKED PHEASANTS BASED ON TOXICITY OF DDT 



(DDT = 1) 



1. Based upon amounts required to produce 1003^ kills in 10 days. 



Compound 



Aldrin 



Endrin 



Dieldrin 



Heptachlor 



Chlordan 



Strobane 



Methoxychlor 



Quail 



Young 



70-100 

 70-100 

 15-20 



5-10 



5 



1.1 



0.25 



Species 



Adult 



150-200 

 150-200 

 15 



2.5-5 



1.2 



1.2 



0.5 



2. Based upon amounts required to produce 100^ kills in 100 days. 



Aldrin 



Endrin 



Dieldrin 



Heptachlor 



Chlordan 



Strobane 



Methoxychlor 



150-200 

 300-350 



40 



30 



7.5 

 2.5 



« 



110-130 



75-100 



27 



11 



4.5 



0.3 



0.27 



30-40 

 15 

 20 

 2 



1.5 

 0.6 

 0.2 



10-15 

 10 

 2.5 



2.1 

 1.1 

 0.4 

 0.1 



3. Based upon maximum levels in diet permitting normal survival for more than 

 100 days. 



Aldrin 



Endrin 



Dieldrin 



Heptachlor 



Chlordan 



Strobane 



Methoxychlor 



Compound 



Aldrin 



Endrin 



Dieldrin 



Heptachlor 



Chlordan 



Strobane 



Methoxychlor 



