A Coo2)erative Sticdi/ 
o 
Is 
"So 
o 
h-1 
Totals 
1110 
— f-Y;9.6^ 
1 - 
1 - 
—gei'-eT 
i ^ 
CD 
—96^-^1 
r-^ CD 
■ 
—96l-m 
-* (32 
W 
c^1 
-960-c'l 
(M ■* 
CD 
CO 
—966- IT 
CO 
'—968- IT 
CM 
I- 
00 
—961-Tl 
t-i 00 
—969- 1 1 
00 
CO 
—969-11 
-+ 
r-i c:5 
55 
—9(&- n 
^ CM 
CM 
-1* 
—9Gi^- 1 J 
] 9 { 27 
103 1 103 
75 ; 122 ! 132 
—9Gc^-T[ 
—961-Tl 
o o 
r-l CC 
-960-11 
O CD 
i-i CO 
CD 
— 966-01 
■* CO 
CM 
o 
CO 
—968-01 
^ CO 
-961-01 
t— 1 1 — 1 
CM 
—969-OT 
CM OS 
— 969-0 T 
! ^ 
CM 
—96f-0I 
1 
—969-OT 
1 1 
o 
*—96c^-0T 
1 - 
Type of 
Nest 
Totals 
> 
Is 
CO 
!3 
EH 
"a 
a tt 
a a 
.1^ 
be 
be 
CD 
Totals 
CO 
-t CO 
1 — i 
1110 
—96L-*[ 
—9^L-*[ 
1 CM 
—969-f 
1 1 
o 
—9f9-^ 
CO 
CO 
969- *[ 
CM Ol 
9^9 -f 
1^ 
—96'r- ^ 
-t< CO 
CM 
CO 
CO 
o 
o 
96S-f 
to o 
o 
— 9^9- f 
96&-^/' 
00 ^ 
■o 
o 
-+ -f 
1 — 1 o 
CO 
— 9fS-i' 
t.^ CO 
CD 
96T-f 
CM CO 
^1 *co 
CM CO 
■-^ o 
X 
— 960 -'T 
■X CO 
-M r-H 
-? 
— 9*f0-*f 
CD 
r- OC 
966-9 
r-H CD 
t~~ 
CD 
—9-f6-S 
CO O 
CO 
CO 
CO 
-968-9 
Tf CIS- 
CM 
CO 
CO 
— 9'^8- 9 
1 * 
ao 
— 961-9 
- T— ' lO 
CD 
— 9fl-9 
1 — 1 lO 
— 969-9 
1 "** 
— 9f9-9 
1 
— 969-9 
1 1 
O 
—9^9-9 
—96f-9 
1 
— 9ft- 9 
1 1 
1 1 
o 
—969-9 
o 
—9f9-9 
—96S-9 
i^—Gf^-9 
Type of 
Nest 
Totals 
Biometrika xii 
21 
