2 ROBERT STANLEY McEWEN 
TABLE i1 
ONE-HALF WING REMOVED ANSI OE OA NO ORES WAMSTE, 
pater GROUP TESTS AEE AON BSD 
t.1. {iackbesl, t.1. f.1. 
6 I 1 144.4 
6 I 2 28.8 
6 I 3 129.1 
6 i, 4 61.3 
IAWICT AD Cl cso. Menta cic ine pecs cisgepeh ets 90.9 
6 II 1 57.0 
6 1g 2 8.9 
6 iM 3 52.3 
AViGTAIC ON enc © entation 39.4 
6 Iil 1 104.3 
6 10. 2 38.6 
6 JH HE 3 8.8 
6 Ill 4 24.2 
Awieragem serena okisc clan oie: 104.3 8.8 31.4 
6 IV 69.0 
5 IV 2 20.3 
5 IV 3 32.3 
JAS Sie a A IR a 69.0 i 26.3 
6 V 1 48.1 
6 Vv 2 46.4 
6 V 3 orl 
6 V 4 10.2 
4 ‘ Vv 5 Pei 
IAVETAL CLS Aciuatnns oo RCE mee 47.2 6.8 
Averagetor one-half wigs. ...< snas.0 dem = © lee eee © ines rolls CADp A 
Averagzenror three-fourths winlfS... «5s «fc scseeetr es es ook ells, 13 7 
Group IV, which had made the best record and contained ten 
males and six females had three-fourths of every wing removed. . 
The next day all groups were retested with the following results 
(table 12): 
