La Guaira Harbour Works." By WILLIAbr CHARLES PUNCHARD and JAYES LENNOX HOUSTON, Assoc. MM. INST. C.E. LA GUAIRA, the principal seaport of the Republic of Venezuela, is 23 miles distant by railway from Caracas, the capital, from which it is separated by a high spur of the Andes, and has a population of about 9000. In common with the principal countries of South America, Venezuela became a republic in 1826; and after

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DISCUSSION ON LITTORAL DRIFT. [Minutes of llr. Wheeler. the dredging.] One of the Royal Engineers sent out to investigate, gaye the accumulation as being very rapid after the walls were first made, stating that the material travelled through the walls owing to the blocks being laid loosely, but that since the shore had grown up, this had to a certain extent stopped the drift. The matter there, however, was not sand or shingle, but alluvial matter out of the M e , carried in suspension, not rolled along the bottom, and i t could hardly be taken as an instance of tidal drift. While not agreeing with the Paper, Mr. Shelford had brought forward an instance that helped the Author, viz., that of Spurn Point. The shingle went across the Humber, and became detrimental to the navigation ; groynes were put in, and they stopped the travel of the shingle. That, therefore, established t h e fact that the shingle was under control, and that, if proper works were erected, the travel could be stopped.