The CONTENTS.

e h a p. ii.

Hdroloyj.

I. ■" I , 3' SctivJ tbe Deptb of tbe Sea nrtbout I

1. a Line ; bj Dr. Hook p- 2 S7

II. To fetcb iip Water from any Depth ; ly

Dr. Hook 260

1IL Directions for Observing Tides ; by

•Sir Rob. Morray ibid.

IV. 1. Tides obftr-Sd at London; by OAr.

Hen. Phillips 261

2. By OAr. Flamfteed' " 263

3. At Dublin ; by OAr. Will. Molyneux ibid.

4. Nigb Plimouth tyby OAr. Sam. Colepress

264

5. In Hong-Road 4 Mies from Bristol; by

Cstpt. Sam. Sturmy 265

6- At Chepstow ■, by . 267

7. A-Tab\e of tbe Wafhes in Lincolnlhire;

byOAr. Chr. Merret ibid.

8. The Tides in France; by . ibid.

9. i. At Bermudas; by OAr. Rieh Nor-

wood 268

2. By'OAr. Rieh, Stafford ibid.

10. At Cabo Cors Caftle, on tbe Coast of

Guinea ; byOAr. Heathcot ibid.

V. J. An Hypothesis about tfceFlux and Re-

flux of tbe Sea ; by Dr, Wallis ibid,

2. Samt Objections Anfmered ; by Dr. Wal-lis 27 6

z. The Variety of tbe Annual Tides, in feve-ral Places of England ; Confidered’by Dr.Wallis 278

4. Animadversions upott Dr. WallisV Hypo-thesis ; by Mr. Jos. Childrey 279

z. Anfvoerd\ by Dr. Wallis 283

VL OAr. Newton ’j Theory of tbe Tides ; ex-plain'd by Mr. Halley 285

VII. Under-Currents, in tbe Downs, at tbe

Streights-Mouth, and in tbe Baltick; byDr. Tho. Smith 288

VIII. Tbe Irregulär Flux and Reflux of tbe

Euripus ; by F. Jaeq. Paul Babin 289

IX. Extraordinary Tides about tbe OrkneyV,

Communicated by Sir Rob. Moray 290

X. Extraordinary Tides in tbe West Ifles of

Scotland ; by Sir Rob. Moray 291

XL 1. Extraordinary Tides at Tunqutenby Mr. Fr. Da venport 292

2- A Theory of tbe Tides at Tonqueen; byMr, Edm. Haüey 295

XII. Tbe DifFering Gravides of Sea-Water,accordirtg to tbe Climates \ by ... . 297

XIII- A Wiy to »tabe Sea-Water Sweet; byOAr. Hau ton ibid.

XIV. Sea-Water made Fresti ; by Dr. klart-

Lister ibid.

XV. Wells of Frefh Water near tbe Sea, at• Bermudas, by Mr. Rieh. Norwood 298

XVI. 1. To Ex amitte tbe' Frelhness of Water;

by OAr. Boyle ibid •

2. By Dr. Hook 304

XVII. ^wEbbing Well in Wcstphaliäj by

. 3°5

XVIff. An Ebbing Weil near Torbay ; by Dr.Will. Oliver ibid.

XIX. 1. 7fceZirchnitzerSeai»Carniola,De-

feribed ; by Dr. Bruwn~ 306

2. By OA. J. Weichard Valvasor 307

XX. The Lake of Geneva ; by ..... 317

XXI. Tbe Lake Avernus ; by Dr. Tancred

Robinson 320

XXII. Tbe Lake of Mexico -, by . ibiJl

XXIII. An Inland Sea »earDantzick, yielding

in Summer, <t Poysonous Substance; byOA. Kirby ibid.

XXIV- i. Some Extraordinary Lakes in Sco't-Jand ; by Sir George Mackenzy 3212. By OAr. Ja. Frazer- 322

XXV. 1. Lough Neagh in Ireland; byOAr.

Will. Molyneux ibid.

' -2. ByMrEAw. Smith 324

XXVI. Petrifications; byOA. Rob. Boyle 32;

XXVII. By OAr. Phi. Packer ibid.

XXVllI. Petrifying Waters in Scotland *, by

Sir Rob. Sibbold ibid.

XXIX. 7 he River'Greatah, rurming un.i-rGround ; by OAr. Hugh Todd ibid.

XXX. ^ICataract in Gottenburg River; by

JWr.Gourdon ibid,

XXXI. River Water Kecover'd after Stink-

ing by . 326

XXXII r. Inundations in Gascoigne ; byOA • .... ibid.

2- Some Effects of Vitriolate Waters -, lyOAr. J. Beaumont 328

XXXIII. An Inundaticn in Ireland; by Dr.Hook ibid.

XXXIV,