18 
BULLETIN 1422, U. S. DEPARTMENT OF AGRICULTURE 
Table 2. — Data from 127 Hevea trees on an estrada at Porvenir, Northwest 
Territory, Bolivia 
Tree 
Circum- 
ference 
(cm.) 
Latex 
yield in 
a day 
(c. c.) 
Num- 
ber of 
cuts 
Tree 
Circum- 
ference 
(cm.) 
Latex 
yield in 
a day 
(c. c.) 
Num- 
ber of 
cuts 
No. 1. 
223 
218 
170 
257 
245 
95 
225 
205 
200 
240 
255 
190 
130 
80 
70 
150 
135 
100 
120 
129 
115 
160 
175 
200 
205 
149 
100 
149 
250 
115 
225 
202 
204 
105 
163 
106 
148 
120 
100 
220 
108 
220 
165 
210 
208 
168 
156 
168 
200 
225 
246 
120 
190 
180 
178 
168 
176 
148 
222 
158 
245 
190 
130 
174 
205 
105 
58 
57 
55 
39 
48 
316 
27 
16 
175 
215 
34 
44 
6 
20 
17 
48 
50 
25 
88 
26 
79 
173 
19 
82 
30 
2 
36 
41 
33 
187 
77 
235 
8 
97 
34 
81 
20 
78 
54 
72 
9 
60 
20 
80 
10 
45 
53 
65 
31 
144 
7 
205 
146 
53 
62 
66 
84 
47 
96 
122 
63 
73 
105 
101 
5 
4 
3 
3 
3 
2 
4 
4 
4 
5 
6 
4 
3 
1 
2 
3 
3 
2 
2 
3 
2 
3 
4 
2 
4 
3 
1 
3 
2 
2 
4 
4 
4 
2 
3 
2 
3 
2 
2 
4 
2 
1 
3 
4 
4 
3 
3 
3 
3 
2 
5 
2 
4 
4 
3 
4 
4 
3 
4 
3 
5 
4 
3 
4 
4 
No. 66 - 
228 
160 
170 
158 
175 
206 
168 
131 
103 
186 
189 
258 
203 
76 
60 
188 
210 
184 
147 
88 
87 
180 
130 
70 
185 
140 
141 
91 
108 
130 
147 
189 
160 
251 
176 
170 
180 
108 
278 
160 
153 
208 
172 
127 
106 
230 
85 
210 
150 
215 
180 
175 
105 
96 
112 
156 
165 
240 
266 
90 
236 
120 
84 
116 
33 
47 
39 
60 
31 
24 
16 
66 
70 
42 
75 
35 
19 
145 
130 
76 
9 
28 
20 
45 
23 
5 
161 
23 
21 
15 
45 
48 
85 
74 
45 
97 
144 
51 
110 
29 
377 
51 
79 
63 
155 
43 
23 
46 
21 
3 
57 
22 
21 
48 
12 
35 
9 
46 
8 
30 
67 
16 
120 
13 
5 
No. 2 
No. 67 
4 
No.3 
No. 68 
3 
No. 4 
No. 69 
3 
No. 5 
No. 70 
3 
No. 6-- 
No. 71 
4 
No.7 
No. 72 
3 
No. 8 
No. 73-- 
2 
No. 9--_ 
No. 74 
2 
No. 10 
No. 75 
4 
No. 11 - 
No. 76 - 
4 
No. 12.. . 
No. 77 
5 
No. 13 
No. 78 
4 
No. 14 - 
No. 79 . 
2 
No. 15 . . 
No. 80 
1 
No. 16 - - 
No. 81 
4 
No.17 
No. 82 
4 
No. 18 - 
No. 83 _ 
4 
No. 19 . . 
No. 84 
1 
No.20 
No.85 
2 
No. 21 
No. 86 - 
2 
No. 22 . 
No. 87 
4 
No. 23 _ . 
No.88 
3 
No. 24 
No. 89 
1 
No. 25 
No. 90 - 
4 
No. 26 - 
No. 91 
3 
No. 27. 
No. 92 
3 
No. 28 
No. 93 
2 
No. 29 . 
No. 94 .- 
2 
No. 30 . 
No. 95 
3 
No.31 
No. 96 
3 
No. 32 
No. 97 
4 
No. 33 . 
No. 98 .. 
3 
No. 34.. . 
No. 99 
5 
No. 35 
No. 100 
4 
No. 36 . 
No. 101 . . 
4 
No. 37. . - 
No. 102 
4 
No. 38 
No. 103 
2 
No. 39 . 
No. 104 . 
6 
No. 40 - 
No. 105 
4 
No. 41--. 
No. 106 
3 
No. 42 
No. 107 
4 
No. 43 . 
No. 108 ... 
4 
No. 44 - 
No. 109 
3 
No. 45 
No. 110 
2 
No. 46 
No. Ill - 
3 
No. 47 
No. 112 
2 
No. 48 . 
No. 113 
2 
No. 49 . - 
No. 114 
3 
No. 50 
No. 115 
4 
No. 51 
No. 116 
2 
No. 52 - 
No. 117 
4 
No. 53 - 
No. 118 
2 
No. 54 
No. 119 
2 
No. 55 
No. 120 
2 
No. 56 
No. 121 
3 
No. 57 
No. 122 
2 
No. 58.-- 
No. 123 
5 
No. 59 
No. 124 
5 
No. 60 
No. -125 
2 
No. 61 - 
No. 126 
4 
No. 62... 
No. 127- 
1 
No 63 
Total 
No. 64... 
21, 172 
166.7 
8,205 
64.6 
400 
No. 65 
Average 
3.1 
