of Species. Unit = 0 01 inm. 
Ernest Warren 
343 
Large Workers 
No. 
43 
50 
12 
Mean 
360-3 
380-8 
386-2 
50 
1100 
149-8 
Standard 
Deviation 
Coefticient 
of 
Variation 
15-45 
13-71 
7-42 
26-2-7 8-41 
50 
100 
55 
187-1 8-16 
177-9 1 5-68 
156-8 
4-40 
50 
-2 3-13 
28 
77-2 
3-67 
20 
105-1 
Small Workers 
No. 
4-29 
3-60 
4-95 
50 
34 
10 
„^ , , I Coefticient 
Mean i Standard I of 
I Deviation , Variation 
237-3 
208-9 
278-5 
14-34 
12-79 
6-05 
4-76 
None occui- 
3-20 
4-36 
3-20 
2-81 
3-55 
4-76 
29 
36 
160 
100 
36 
95-1 ; 2-28 2-40 
94-6 I 2-83 1 2-99 
166-4 ! 11-42 0-86 
165-9 7-73 
144-4 
7-79 
4-66 
1-93 
1100 
50 
168-5 
132-2 
5] 112-9 
100 110-5 
5-35 I 318 
74 4-34 
4-32 
2-41 2-19 
None found 
None occur 
None occur 
None occur 
Stated to occur, but no specimens 
Males 
No. 
Mean 
, , Coefficient 
Standard 
Deviation Variation 
Nymphs with wing-rudiments 
100 300 1 4-71 1-57 
Females 
t ...^ , , ;Coefficient 
No. I Mean i Standard of 
Deviation Variation 
Nymplis with wing-rudiments 
100! 298-4 ' 4-78 1-fiO 
Winged images Winged imagos 
34 261-7 I 6-10 I 2-35 33 262-3 0-92 i 2-04 
Winged imagos 
35 ! 134-2 I 2-71 i 2 02 
Winged imagos 
30 113-0 3 09 2-73 
Winged Imagos 
50 : 112-9 1-71 1-52 
Winged imagos 
32 I 135-9 : 2-93 i 2-15 
Winged imagos 
25 119-9 1-94 I 1-62 
43 
Winged imagos 
120-4 2-40 I 1-99 
Winged imagos 
•26 193-8 I 4-18 2-16 
Winged imagos 
46 I 192-4 : 3-69 ' 1-92 
