GROWTH AND AGE AT MATUEITY OF THE PACIFIC RAZOR CLAM 221 
Table S.Swickshak: Adult razor clams, total length at time of formation of each ring, based on 
ring measurements 
Length, in 
centimeters, 
mid-value 
of class 
King number 
I>engtn, in 
centimeters, 
mici"Value 
of class 
Ring number 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
1 
11 
12 
13 
14 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13; 14 
1 
0.10 
62 
\l 
32 
21 
11 
8.70 
5 
1 
18 
23 
18 
17 
13 
15 
13 
g 
11 
g 
12 
g 
g 
g 
3 
1 
0.30 
8.90 
1 
0.50 
9.10 - 
1 
4 
2 
1 
4 
12 
g 
15 
20 
22 
16 
15 
23 
20 
15 
16 
14 
8 
7 
10 
1 
2 
2 
0.70 
9.30 
0.90.. 
1 
1 
g 
12 
17 
31 
55 
65 
68 
96 
65 
74 
42 
34 
31 
11 
7 
4 
4 
1 
1 
9.50 
1.10 
9.70 -.- 
1.30 
9.90 
1.50 
10.10--- 
1.70 - 
10.30 
1.90 
10.50 
2.10 
10.70 - 
2.30 
10.90 - . . 
2.50 
11.10 
5 
2 
g 
7 
11 
20 
19 
18 
30 
26 
24 
23 
10 
7 
5 
6 
5 
1 
2.70 
1 
1 
11.30- 
2.90.. 
11.50 
3.10 
11.70 
1 
3.30 
4 
11.90 
3 
3 
4 
9 
3.50 
12.10- - .-- 
3.70 .-. 
4 
9 
8 
7 
12 
25 
11 
17 
31 
27 
28 
52 
35 
32 
46 
34 
39 
37 
46 
24 
20 
25 
13 
9 
10 
12.30 - 
3.90 --- 
12.50--- 
3 
4.10 
12.70 
14 
18 
14 
21 
23 
27 
24 
22 
5 
4 
10 
10 
16 
23 
25 
21 
4.30 _. 
12.90 
4.50 _._ 
13.10 
'l6 
9 
8 
16 
14 
16 
24 
13 
13 
18 
12 
12 
7 
2 
3 
1 
1 
3 
10 
9 
5 
13 
21 
17 
16 
11 
17 
11 
13 
10 
2 
4 
2 
4.70 
13.30 
4.90 
13.50--- 
5.10 . 
13.70 
3 
5 
5 
6 
7 
12 
16 
13 
13 
6 
10 
11 
8 
6 
4 
1 
1 
6 30 
13 90 
1 
2 
1 
4 
4 
5 
4 
12 
3 
6 
6 
7 
8 
4 
6 
2 
3 
6.50 
14.10--- 
5.70 
14.30 
14 18 
5.90 _ 
14.50 
9 
6 
2 
4 
18 
22 
8 
8 
4 
4 
4 
1 
1 
... 
1 
6.10 
14.70 
6.30 
14.90 
6 60 
15.10 
1 
6.70 
15.30.- - 
1 
2 
1 
1 
2 
2 
"i 
1 
1 
"i 
1 
-i 
6.90 
15.50..- 
1 
7.10 
5 
2 
5 
8 
3 
20 
15 
12 
15.70 
7.30 _ 
15.90 
7.50 
16.10- 
7.70 
16.30 
7. 90 
10.50 
8.10 
16.70 
8.30 _ 
16.90 
8 50 
1 
Table 4. — Growth in different localities 
Years 
Copalis 
Cordova 
Swick- 
shak 
Years 
Copalis 
Cordova 
Swick- 
shak 
1 - 
2.04 
8.61 
10. 87 
12.04 
12.81 
13. 40 
13. 84 
0.43 
2. 38 
4.68 
7.73 
9. 84 
11.40 
12.03 
0. 38 
2.70 
6.41 
9.28 
11.47 
12.74 
13. 70 
8 -.- -- 
14. 18 
14. 50 
12.57 
13.08 
13. 60 
14.15 
14. 19 
14.63 
14.94 
15. 25 
15. 61 
16. 12 
15.96 
2 
9 
3.... - -- 
10- 
4.... 
11 -- - 
5 - 
12- 
6 
13 
7 
