1915] 



Michael, et al.: Hydrographic Records of Scripps Institution 



189 



Table 5. — Data Relative to Plankton Hauls — {Continued) 



Part B — Plankton Collections of Quantitative Significance 



Appa- Time of day Position Depth Water 



Haul ratus and , * , in sample 



number used duration of haul Section N lat. W long. meters number Remarks 



July 24, 1912 



3382 K.20 12:01-12:06 p.m. 40, 27 3361,3362 



3383 K.20 12:12-12:17 p.m. 40^ 32° 22:3 117° 1814 37 3364,3365 

 3385* 20 1:00-1:40 p.m. 40, 32 22.4 117 21.2 3372 

 3386* K.20 1:15-1 :20 p.m. 40, 32 22.4 117 21.2 .55 3368,3369 

 3387* K.20 1:30-1:35 p.m. 40, 32 22.4 117 21.2 73 3370,3371 



July 26. 1912 



3388 K.20 4:27-4:32 a.m. 40, 32 22.4 117 21.2 185 3389,3390 



3389 K.20 5:00-5:05 a.m. 40, 4:05 to 6:37 clrifteil 275 Net failed to close 



3390 20 5:00-6:30 a.m. 40, from above to fol- 3391,3393 



3391 K.20 5:40-5:45 a.m. 40, lowing position 275 3392 



3392 K.20 6:20-6:25 a.m. 40, 32 22.05 117 20.9 137 .3394,3395 



3393 20 6:5.5-8:30 a.m. 40, 32 22.4 117 21.2 3397,3400 



3394 K.20 7:05-7:10 a.m. 40, From 6:50 to 9:47 365 3396 Net failed to close 



3395 K.20 7:45-7:50 a.m. 40, a.m. the boat 5 3398,3399 Net failed to close 



3396 K.20 8:4.5-8:50 a.m. 40, drifted from the 9 3401,3402 



3397 20 9:00-9:05 a.m. 40, above position 3403 



3398 K.20 9:00-9:05 a.m. 40, to the following 18 3404,3405 



3399 20 9:10-9:40 a.m. 40, position 



3400 K.20 9:1.5-9:20 a.m. 40, 27 3406,3407 



3401 K.20 9:30-9:35 a.m. 40, 32 21.95 117 19.5 37 3408,3409 



3402 K.20 10:07-10:12 a.m. 40, 32 22.4 117 21.2 46 3410,3411 

 3403t 20 40,5 10:05 to 12:14 drifted 3412,15,20 



3404 K.20 10:27-10:32 a.m. 40, ^ from above to fol- 55 3413,3414 



3405 K.20 11:30-11:35 a.m. 40^ lowing position 73 3416,3417 



3406 K.20 11 :.54-ll :59 a.m. 40; 32 23.3 117 19.0 92 3418,3419 



July 27. 1912 



3407 K.20 5:4.5-5:50 a.m. 40, 32 22.4 117 21.2 92 ,3441 

 .3408 20 5:48-7:25 a.m. 40, From 5:20 to 7:33 3442,3449 



3409 K.20 6:07-6:12 a.m. 40, a.m. drifted from 46 3443.3444 



3410 K.20 6:2.5-6:30 a.m. 40, above to follow- 37 3445,3446 

 .3411 K.20 6:4.5-6:50 a.m. 40, ing position 185 3447,3448 



3412 K.20 7:10-7:15 a.m. 40, 32 22.15 117 19..55 137 Net failed to close 



3413 K.20 8:09-8:14 a.m. 40, 32 22.4 117 21.2 137 3451,34.52 On position 7:45 



3414 20 8: 10-8:. 50 a.m. 40, 32 21.7 117 19.6 3450,3453 Drifted to posi- 



3415 20 9:2.5-9:55 a.m. 40, 32 22.4 117 21.2 34.55 tion at 8:58 

 .3416 K.20 9:40-9:46 a.m. 40, 9:22 to 12:08 drifted 550 34.54 a.m. 



3417 20 10:00-10:05 a.m. 40, from above to fol- 



3418 20 10:07-11:59 a.m. 40, lowing position 3457 

 .3419 K.20 10:40-10:45 a.m. 40, 18 3456 

 ,3420 K.20 11:40-11:45 a.m. 40, 32 21.35 117 20.5 275 3458,34.59 



3421 20 12:40-1 :00 p.m. 40, 32 22.3 117 21.4 3460 



3422 20 6:1.5-6:25 p.m. 39, 32 24.4 117 14.3 Hauls 3422-3433 



3423 20 7:00-7:10 p.m. 39^ 32 24.4 117 14.3 3473 made while the 



3424 20 8:10-8:20 p.m. 39, 32 24.4 117 14.3 boat lay at 



.3425 20 9:00-9:10 p.m. 39^ 32 24.4 117 14.3 3474 anchor" 



3426 20 10:00-10:20 p.m. 39^ 32 24.4 117 14.3 



3427 20 ll:1.5-ll:25p.m. 39^ 32 24.4 117 14.3 



July 28. 1912 



3428 20 12:01-12:16 a.m. 39^ 32 24.4 117 14.3 



3429 20 1:00-1 :10 a.m. 39, 32 24.4 117 14.3 3475 



3430 20 3:0.5-3:15 a.m. 39, 32 24.4 117 14.3 



3431 20 5:10-5:20 a.m. 39^ 32 24.4 117 14.3 .3476 



3432 20 7 :.5.5-8 :10 a.m. 39, 32 24.4 117 14.3 3477 

 ,3433 20 9:10 a.m. 39, 32 24.4 117 14.3 11-0 



34,34 K.20 8:10-8:15 p.m. 40, 32 22.4 117 21.2 5 .3478,3479 Part of haul 3434 



3435 20 8:1,5-9:35 p.m. 40, From 8:00 to 10:24 .3480 lost in con- 



3436{ K.20 8:26-8:31 p.m. 40, a.m. the boat 9 ,3481,3482 densing 



3437 K.20 8:40-8:45 p.m. 40, drifted from the 18 3483 Net failed to close 



3438 K.20 8:52-8:58 p.m. 40, above position 27 3484,3485 



3439 K.20 9:10-9:15 p.m. 40, to the following 37 Net failed to close 



3440 K.20 9: 2,5-9 :30 p.m. 40, position 37 Net failed to close 



*From 12:55 to 1:50 p.m. the boat drifted from the position entered to 32° 22:4 N 117° 19:SW. 



t Haul began at 10:10 a.m. and ended at 12:10 p.m. 



t Opening and closing jaws of net probably reversed at the same time. 



