REPRODUCTION AND DEVELOPMENT OF SCIAENIDAE 
63 
even greater, as the range extends from 15 to 209 millimeters. This large range in 
size, no doubt, is caused in part by a difference in the rate of growth ; more particularly, 
however, to the very long spawning season, which apparently extends from April 
through August. 
Table 1 . — Length frequencies of 1,779 Menticirrhus americanus 
[Measurements to nearest millimeter; in 5-millimeter groups] 
Total length 
April 
May 
June 
July 
August 
Sep- 
tember 
October 
No- 
vember 
Decem- 
ber 
Janu- 
ary 
Febru- 
ary 
March 
0-4 - 
1 
2 
9 
5 
3 
5-9 
1 
1 
6 
132 
6 
10 
io-i4 
11 
32 
14 
1 
15-19 
2 
2 
5 
3 
1 
20-24 - 
5 
4 
3 
1 
25-29 
7 
13 
15 
2 
3 
30-34 
9 
35 
8 
4 
1 
35-39 
9 
37 
2 
3 
7 
40-44 
15 
41 
4 
7 
7 
45-49 
12 
22 
1 
16 
5 
50-54 
18 
29 
4 
15 
7 
55-59 
16 
20 
8 
20 
13 
60-64 
14 
26 
12 
16 
11 
1 
65-69 
4 
24 
22 
8 
9 
70-74 
14 
16 
20 
8 
9 
75-79 
10 
20 
15 
10 
4 
80-84 
11 
39 
10 
5 
10 
85-89 
6 
7 
9 
2 
3 
90-94 - 
2 
16 
2 
2 
8 
i 
95-99 - 
2 
7 
9 
3 
5 
100-104 
1 
7 
6 
3 
2 
105-109 
4 
3 
2 
1 
1 
3 
110-114 
5 
3 
2 
3 
115-119 . 
1 
1 
i 
5 
3 
2 
120-124 - 
3 
2 
3 
2 
6 
1 
125-129 
1 
2 
2 
2 
9 
3 
1 
130-134 
1 
2 
2 
5 
2 
4 
135-139 
3 
6 
1 
3 
140-144 
9 
1 
10 
2 
3 
145-149 
14 
1 
1 
1 
5 
1 
150-154 
13 
1 
2 
1 
13 
7 
2 
155-159 
16 
1 
2 
1 
12 
3 
2 
160-164 
2 
15 
2 
17 
3 
l 65-1 69 
1 
21 
2 
8 
6 
i 
1 70-1 74 
1 
13 
17 
8 
175-179 
9 
2 
30 
i 
2 
180-184 
1 
5 
1 
1 
22 
1 
185-189 
1 
5 
2 
13 
2 
1 
190-194 
2 
4 
2 
2 
20 
i 
1 
195-199 
1 
2 
i 
10 
4 
200-204 
2 
8 
i 
205-209 
i 
i 
5 
210-214 
2 
1 
1 
1 
1 
215-219 
2 
2 
220-224 
1 
i 
2 
1 
1 
1 
1 
225-229 
1 
1 
2 
i 
5 
3 
230-234 
i 
1 
2 
1 
2 
235-239 
1 
3 
2 
2 
1 
3 
240-244 
1 
1 
2 
2 
245 249 
1 
1 
1 
5 
250-254 
1 
1 
1 
1 
1 
2 
1 
1 
1 
255—259 
1 
1 
1 
1 
2 
1 
260 264 
1 
i 
1 
4 
1 
2 
265-269 
1 
1 
270-274 
1 
1 
275-279 
1 
4 
2 
2 
i 
1 
1 
1 
1 
28.5-289 
1 
290-294 
1 
2 
1 
29.5-299 
1 
300-304 
1 
1 
305-309 
1 
310-314 
31.5 319 
320-324 
32.5 329 
330-334 
33.5 339 
1 
1 
340-344 
34.5 349 
1 
