11 
eee econeter D. bandeirantorum 
-}° 4.02 
2.0 H 2.0 - 
ce j —— PREDICTED et. —— PREDICTED 
1.6 - | tmanemnnsnn OBSERVED ce hi PM Gg Se 
1.4 - 
1.2 
A — 
.8 
6 + 
¢ 4-4 
-2)-| 
ae 
athe 
wn 
-6 
.8 
1.0 
ia 
1.4 - 
1.6 - 
1.8 
: : = — : ——<<== = 2.0 - — <= > —————— 
SEPT DEC. SEPT DEC 
1961 1963 1961 1963 
Fig. 4.—Predicted versus observed abundances (standard- Fig. 7.—Predicted versus observed abundances (standard- 
ed) for Drosophila melanogaster from September, 1961 to ized) for Drosophila bandeirantorum from September, 1961 to 
ecember, 1963. December, 1963. 
D. pseudoobscura D. hydei 
2.0 = 2:05 1 477 
1.8 - PREDICTED Lots Sa alee i 
1.6 - OBSERVED 6-000 sss OBSERVED 
1.075 
8 
-6 - 
4 n 
@ 3 
(0) a) 
‘ ; 
4 = 
6 as 
-8 
1.0 
1.2 
1.4 
1.6 
1.8 
2.0 = 0 - : : : 
SEPT DEC SEPT DEC 
1961 1963 1961 1963 
Fig. 5.—Predicted versus observed abundances (standard- Fig. 8.—Predicted versus observed abundances (standard- 
d) for Drosophila pseudoobscura from September, 1961 to ized) for Drosophila hydei from September, 1961 to December, 
-cember, 1963. 1963. 
D-"tripunctata 20°" D. immigrans 
—2.01 2.39 
——— PREDICTED 
sosvonensanees OBSERVED 
—— PREDICTED i 1 
seeeneersenennns OBSERVED 1 
STANDARD SCORES 
R= = =e me om L L L , 
OOO SSS bh AD Sh Sb bho = ee 
' = ' 1 ' ' 1 ‘ ' TT; 
———— a dept oe 
1961 1963 1961 1963 
Fig. 6—Predicted versus observed abundances (standard- Fig. 9.—Predicted versus observed abundances (standard- 
1) for Drosophila “tripunctata 20” from September, 1961 to ized) for Drosophila immigrans from September, 1961 to De- 
ember, 1963. cember, 1963. 
