58 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 120 
TABLE 4.—Frequency of spermatophore placement in Labidocera diandra (counts 
based on examination of total sample or on subsamples selected at random, 
depending upon abundance of the species) 
No. adult No. with No. with No. with No. with 
Station females spermat- type 1 type 1 type 2 
observed ophore placement and 2 placement 
placements 
Punta Frailes 86 65 25 34 6 
F2 3 2 2 
F3 3 iL 1 
F4 1 1 1 
F5 124 19 18 1 
5708 140G20 2 1 1 
5708 144G15 2 
El Golfo 17-1 22 18 Wi 6 1 
El Golfo 24D 66 61 47 12 2 
El Golfo 25 54 29 29 
El Golfo 41 353 72 67 + 1 
El Golfo 42 38 5 5 
Totals (12) 754 274 207 56 11 
Percent 36 76 20 4 
TaBLE 5.—Spermatophore placement in Labidocera diandra from Punta Frailes, 
June 19, 1961 
No. and position of No. individuals Percent 
spermatophores 
0 21 24 
1—T ype 1 25 28 
2—Type 1 2 2 
3—Type 1 1 1 
1—Type 2 4 5 
2—Type 2 1 1 
4—Type 2 1 1 
1—Type 1, 1—Type 2 22 25 
1—Type 1, 2—Type 2 9 10 
1—Type 1, 3—Type 2 1 1 
2—Type 1, 1—Type 2 2 2 
Totals 89 100 
