TABLE A.-Daily observations for velocity of current of the St. Lawrence River, 1868-Continued.

1.479 1.659

1.389 1.369

1.074

1.609 1.556

1.430

1. 158

1.790

1.686 1.750

1.623

1. 6:23

1.549

1 590

1.472

1.254

1.564

1.549

1.568

1.578

1.593

1.586

1.582

1.568

1.556

1.500

1.571

1. 465

1.340

1.597

1.552

1.534

1.534

1. 609

1.542

1.534

1. 406

1.479

1. 428

1.462

1.357

1.377

1.217

1.441

1.715

1. 632

1.677

1.526

1. 609

1.560

1.549

1.486

1.522

1.663

1.483

1.414

1.410

1.386

1.636

1.270

1.597

1. 609

1.564

1.579

1.597

1.560

1. 493

1.493

1.479

1.403

1.354

1.283

1.323

1.627

1.618

1.560

1.609

1.575

1.540

1.571

1.500

1.465

1.392

1.386

1. 182

1. 190

1.552

1.542

1.488

1. 493

1. 441

1. 441

1.507

1. 458

1.389

1.343

1. 320

1. 194

1.568

1.530

1.486

1.530

1.458

1. 451

1. 462

1.363

1.277

1. 152

1. 132

1.118

6

1.489

1.283

1.383

1.445

1.38€

1.369

1.366

1.351

1.295

1.311

1. 182

1. 124

7

1.351

1. 457

1. 445

1. 434

1.329

1. 361

1.237

1.360

1. 178

1.266

1. 146

1.056

7

1.239

1.389

1.351

1.386

1.290

1.266

0.964

8

1.340

1.234

1. 186

1.120

1. 128

1.074

1.662

1.033

0.917

0.931

0.911

9

1. 144

1. 136

1. 057

1.006

0.980

0.964

0.890

0.834

10

0.973

1. 112

1.019

0.934

1.016

0.940

0.883

0.793

14

0.717

0.635

0.755

14

0.280

REPORT OF CHIEF OF ENGINEERS.

Date.

TABLE A.-Daily observations for velocity of current in the St. Lawrence River, 1868.

TABLE B.-Sub-surface velocities in nearly the same depth of water, St. Clair River, 1868.

REPORT OF CHIEF OF ENGINEERS.