279 



Head: Paragraph 



Acceleration 231 233 267 



Contraction 236 



Entrance and recovery 234, 235 



Friction ._ 232, 269 



Surface 229 



Relation to tidal height 237-241 364 



To primary current 249-254 373 



Velocity 230, 270 



High water: 



Defined 2 



Interval g 



Mean 169-180, 199 



Higlier liigii water: 



Defined 2, 150 



Mean 187-1 92, 203 



Hydraulic tidal flow 256 



Inference of harmonic constants 130, 131 



Initial end, defined 228 



Entrance, defined 317 



Pliase, defined 49 



Inlet: 



Defined 295 



Prevalence of 478, 479 



Hydraulics of 480-484 



Instantaneous profile, defined 326 



Shape in connecting canal, frictionless flow 326, 328, 332 



In closed canal, frictionless flow 336 



Progressive wave 339, 340 



Connecting canal, frictional flow 415 



Closed canal frictional flow 430 



Intersection, moons 35 



Longitude and right ascension of 105, 114 



Lag of primary: 



Current 254, 258 



Relation to amplitude of current 373 



Long Island Sound, tides in 453 



Longitude, correction of lunitidal intervals for 10 



Longitude of moons node, defined 36 



Correction of mean range for 171-179 



Low water: 



Defined 2 



Interval 8 



Datums 165-168 



Mean 1 69-1 80, 1 99 



Lower low water: 



Defined 2 



Mean 187-192,203 



Low water of spring tides 2, 143 



Mean 181-185,202 



Lunar day and hour 60 



Lunation 169 



