. Proceedings - Dorset Natural History and Archaeological Society. hose motion is notonly continuous but often of enormous violence,the effectiveness of which as a disintegrator is, asa rule, increased immensely by the intermixture of sand and gravel;to say nothing of the purely chemical action it exerts on certainrocks of a calcareous nature. The waste of the shore and theconsequent encroachment of the sea has been noticed in all ages,but it was not until recent times that its vast importance wasrecognised, and a systematic attempt made to ascertain the rate ofits progress and the modus opera
. Proceedings - Dorset Natural History and Archaeological Society. hose motion is notonly continuous but often of enormous violence,the effectiveness of which as a disintegrator is, asa rule, increased immensely by the intermixture of sand and gravel;to say nothing of the purely chemical action it exerts on certainrocks of a calcareous nature. The waste of the shore and theconsequent encroachment of the sea has been noticed in all ages,but it was not until recent times that its vast importance wasrecognised, and a systematic attempt made to ascertain the rate ofits progress and the modus operandi of the various forces whichbring about the result. At the Southport meeting in 1883 of the British Association forthe Advancement of Science a recommendation was adopted by theGeneral Committee to appoint a committee, of which Messrs. Topleyand De Ranee were to be secretaries, for the purpose of enquiringinto the rate of erosion of the sea coasts of England and Wales,and the influence of the artificial abstraction of shingle and othermaterial in that THE EROSION OF THE COAST. 181 At the Montreal meeting in 1884 this committee presented apreliminary report, in which the importance of the subject and theurgent need for enquiry were insisted on, and pointing out that theproblem could only be successfully attacked by many observersworking with a common purpose and upon some uniform plan. Tosecure this unformity a formidable list of questions had been pre-pared and circulated, and the co-operation of individuals andsocieties solicited. The lion. sec. of the Dorset Field Clubpromised, I believe, his aid, and under his direction I promised tocollect the facts and observations relating to this immediate neigh-bourhood. I soon, however, repented of my rashness when I readover the list in question. I found to my dismay that answers wererequired to no less than 50 questions, arranged under 19 headings,whilst a hint was thrown out that sketches illustrating the pointsrefeired
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