r Kullenberg corer, 

 photograph d.m. owen, Woods Hole. 



194 Map of Black Mud Canyon, 

 GEOGRAPHICAL PROJECTS LTD. 



195 Turbidity Current, 



"Further Evidence for a Turbidity Current 

 following the 1929 Grand Banks 

 Earthquake" by Bruce C.Heezen, 

 D.B. Ericson and Maurice Swing. 

 "Deep Sea Research" vol. II, July 1954 

 (Pergamon Press Limited) 

 diagram geographical projects ltd. 



196-197 Map of tlie Bay of Biscayj 



geographical projects ltd. 



197 t Mohole sliip, 



courtesy Mohole Project. 

 b Volcanic sediments, 

 photograph National Institute of 

 Oceanography, England. 



198 Eruption of Myojin, 

 Ofricial U.S. Navy Photo. 



199 Echogram of a sea mount, 

 photograph Woods Hole Oceanographic 

 Institution. 



200 t East Pacific faulting, 



courtesy "Scientific American", 



December 1961 



diagram geographical projects ltd. 

 bl Drawing of dredging, 



"Histoire Physique de la Mer" by Count 



Luigi Marsigli, 1725, 



courtesy Trustees of the British Museum, 



photograph Michael holford. 

 br Bathysphere, 



"Half Mile Down" by W. Beebe 



from a photograph by David Knusden 



painting LAURENCE sandy. 



201 I Under water camera, 



photograph A. s. laughton 

 r Piccard's bathyscaphe, 

 photograph "London Express". 



202 Gulf stream chari, 



"Hydraulic and Nautical Observations" 

 by Benjamin Franklin (1 787), 

 courtesy Trustees of the British Museum, 

 photograph Michael holford. 



203 Water sampler on "Challenger", 

 "Challenger Reports", vol. I. 



204--205 World surface currents and temperature 

 map, geographical projects ltd. 



206 Kon-Tiki raft, 



"The Kon-Tiki Expedition" by 



Thor Heyerdahl (George Allen and Unwin) 



Icebergs 



Official U.S. Coast Guard Photo. 



Map of Atlantic salinity, 

 Map of Atlantic temperature, 

 both "Meteor" Expedition Reports, 

 1925-1927, vol. 6, text and atlas by G.Wust 

 and A. Defant (Walter de Gruyter) 



Diagram of a Nansen water sampler, 

 "Physical Oceanography" by A. Defant, 

 (Pergamon Press Limited). 

 Raising a water sampler, 

 photograph JAN hahn, Woods Hole. 



Section of Atlantic currents, 

 courtesy Dr. G.E.R. Deacon, 

 diagram geographical projects ltd. 

 212-213 Stommel chart, 



courtesy Henry Stommel, 



diagram geographical projects ltd. 



213 Neutral buoyancy floats, 

 photograph j. s. farlow in, evanston, 



ILLINOIS, 



214 Fishing in the Bay of Fundy, 



"Image of Canada" by Malvina Bolus, (The 

 Royal Canadian Geographical Society) 

 photograph Richard Harrington. 



215 t Portable tide guage, 

 b Tide guage, 



Official U.S. Coast and Geodetic Survey 



photos. 



diagram geographical projects ltd. 



216 Sir Isaac Newton, 

 courtesy Mansell Collection. 



217 Mont St. Michel, France, 

 photograph ray-delvert. 



207 



208 

 209 



210 



212 



218 t Elizabethan tide chart, 



by permission of the Master and Fellows 

 of Magdalene College Cambridge. 

 painting peter Sullivan. 

 b London docks, 

 photograph AerofiimsandAeroPictorial Ltd. 



219 Bore on the Chien-Tang-Kiang, 

 "Science and Civilization in China", vol. 3, 

 by Joseph Needham 



(Cambridge University Press), 

 reconstruction drawing PETER Sullivan. 



220-221 World map of co-tidal lines, 

 geographical projects ltd. 



222 Dyke break in Holland, 



courtesy Royal Netherlands Embassy. 



223 Ranee Project, 

 diagram j. h. M. sykes 



224 Wave and breakwater, 

 photograph Zentrale Farbbild-Agentur 

 w. benser. 



225 t Ship in wave trough, 



photograph jan hah n. Woods Hole. 

 b Wave chart, 

 photograph National Institute of 

 Oceanography, England. 



226 t Angus Point, Ireland, 



photograph AerofiimsandAeroPictorial Ltd. 

 b Sands at Gairloch, Scotland, 

 photograph "Scottish Field", 



227 t Beachy Head, England, 



photograph Keystone Press Agency. 

 b Storm in Cornwall, 

 photograph Douglas p. wilson. 



228 Cliff fall in Suffolk, England, 

 Geological survey, 



photograph Crown Copyright reserved, 

 reproduction by permission of the 

 Controller of H. M. Stationery Office. 



229 Beach with groynes, Brighton, England, 

 photograph AerofiimsandAeroPictorial Ltd. 



230 t Sandwood Bay, Scotland, 



photograph "Scottish Field". 

 b Cave in Cornwall, England 

 photograph Keystone Press Agency. 



231 I Map of the East coast of England, 



geographical projects ltd. 

 r Sand dunes at Cap Breton, France, 

 photograph ray-delvert. 



232 Sea stack, Scotland, 

 Geological Survey 



photograph Crown Copyright reserved, 

 reproduction by permission of the 

 Controller of H. M. Stationery Office. 



233 Sand bars at Martha's Vineyard, U.S.A., 

 "New England-Acadian Shoreline" by 

 DouglasJohnson(JohnWileyandSonslnc.), 

 diagram geographical projects ltd. 



234-235 Cycle of life in the sea, 

 courtesy R. I. Currie 

 painting david pratt. 



236 Tokyo fish market, 

 photograph Paul almasy. 



237 Malayan pig and fish farm, 

 courtesy Malaya House. 



238 t Guano Island, Peru, 



photograph ROBERT CLARK (National 

 Institute of Oceanography, England). 

 b Seaweed gathering at Aviero, Portugal, 

 photograph Keystone Press Agency. 



239 Magnesium factory, 



courtesy The Steetly Company Limited. 



240 Algerian coast operation, 



diagram geographical projects ltd. 



241 Abidjan 



"La Mer" Librairie Larousse, after 



F. Varlet in "La Nature". 



diagram geographical projects ltd. 



242 t Salt fountain, 



"Deep Sea Research" 1956 (Pergamon 

 Press Limited), 



diagram geographical projects ltd. 

 b Dutch polder before reclamation, 



243 Dutch polder after reclamation, 

 both photographs KLM. 



244 



Map of the fertility of the oceans, 

 geographical projects ltd. 



Endpapers Shells from the Barrier Reef, Australia, 

 photograph Keith gillett, F.R.P.S., F.R.M.S. 



294 



