Table 1. — Population trends when native population of 1,000 males and 1,000 females is overflooded, in each 

 generation by 100,000, 50,000, 25,000, or 12,500 partially or completely sterile males 













Proge 



ny in each generation 





Case 

 No. 



Males 

 released 



Steril- 

 ity 



Rate of 

 increase 











Fi 



F 2 



F 3 



F 4 



F 6 





Number 



Percent 





Number 



Number 



Number 



Number 



Number 



1 



100,000 



90 



Fivefold .... 



1,089 



571 



293 



148 



75 



2 



100,000 



95 



do 



594 



157 



40 



10 



2 



3 



100,000 



98 



do 



297 



32 



3 











4 



100,000 



99 



do 



198 



11 



1 











5 



100,000 



100 



do 



99 



















6 



50,000 



90 



do 



1,176 



650 



344 



177 



90 



7 



50,000 



95 



do 



686 



194 



50 



13 



3 



8 



50,000 



98 



do 



392 



47 



5 











9 



50,000 



99 



do 



294 



19 



1 











10 



50,000 



100 



do 



196 



2 















11 



25,000 



90 



do 



1,346 



832 



477 



259 



135 



-12 



25,000 



95 



do 



865 



286 



79 



20 



5 



13 



25,000 



98 



do 



577 



90 



10 



1 







14 



25,000 



99 



do 



481 



47 



3 











15 



25,000 



100 



do 



385 



15 















16 



12,500 



90 



do 



1,667 



1,302 



941 



624 



381 



17 



12 , 500 



95 



do 



1,204 



564 



200 



58 



15 



18 



12 , 500 



98 



do 



926 



255 



38 



4 







19 



12,500 



99 



do 



833 



174 



15 



1 







20 



12,500 



100 



do 



741 



107 



2 











21 



100,000 



90 



Tenfold 



2,178 



2,389 



2,643 



2,954 



3,340 



22 



100,000 



95 



do 



1,188 



661 



351 



181 



92 



23 



100,000 



98 



do 



594 



136 



28 



6 



1 



24 



100,000 



99 



do 



396 



47 



5 











25 



100,000 



100 



do 



198 



2 















26 



50,000 



90 



do 



2,353 



2,840 



3,545 



4,638 



6,488 



27 



50,000 



95 



do 



1,373 



863 



502 



275 



144 



28 



50,000 



98 



do 



784 



217 



48 



10 



2 



29 



50,000 



99 



do 



588 



93 



10 



1 







30 



50,000 



100 



do 



392 



15 















31 



25,000 



90 



do 



2,692 



3,930 



6,508 



13,255 



38,252 



32 



25,000 



95 



do 



1,731 



1,415 



1,078 



755 



484 



33 



25,000 



98 



do 



1,154 



486 



143 



33 



7 



34 



25,000 



99 



do 



962 



276 



43 



5 







35 



25,000 



100 



do 



769 



117 



3 











36 



12 , 500 



90 



do 



3,333 



6,863 



20,166 



101,200 



831,571 



37 



12,500 



95 



do 



2,407 



3,213 



5,082 



10,696 



35,794 



38 



12,500 



98 



do 



1,852 



1,622 



1,293 



882 



471 



39 



12 , 500 



99 



do 



1,667 



1,198 



662 



235 



45 



40 



12,500 



100 



do 



1,481 



829 



266 



28 







41 



100,000 



90 



Twentyfold 



4,356 



10,385 



29,995 



130,406 



1,187,253 



42 



100,000 



95 



do 



2,376 



2,906 



3,697 



4,972 



7,264 



43 



100,000 



98 



do 



1,188 



613 



282 



120 



50 



44 



100,000 



99 



do 



792 



220 



49 



10 



2 



45 



100,000 



100 



do 



396 



16 















46 



50,000 



90 



do 



4,706 



13,219 



54,218 



451,536 



7,557,089 



47 



50,000 



95 



do 



2,745 



4,139 



7,264 



16,609 



61,558 



