I.—4a.

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(2.) Dredging claims: meaning thereby claims worked by means of dredges. (3.) Eiver claims : meaning thereby claims worked in the beds or on the banks of watercourses, not being alluvial or dredging claims as hereinbefore defined. (4.) Quartz claims: meaning thereby claims worked on quartz or other reefs, or cement or other deposits, by means of crushing, roasting, or chemical process. (5.) Sea-beach claims : meaning thereby claims on the sea-beach and extending seawards. Form, Area, and Dimensions of Claims. 17. Subject to the specific provisions hereinafter contained relating to specific claims, the form of every claim shall as far as practicable be four-sided, each side being as far as practicable measured in a straight line, and no one side exceeding twice the length of any other side : Provided that, within the limits prescribed by section 76 of the Mining Act, the form and dimensions as specified by this clause may be varied to such extent as, having regard to the circumstances of the case, the Warden thinks reasonable. 18. The area of alluvial claims shall not exceed — (1.) For an ordinary claim, 1 acre if held under license, and 10,000 square feet if held otherwise than under license. (2.) For an extended claim, 5 acres. (3.) For a special claim, 100 acres. 19. The form of dredging or river claims may have relation to the course of the watercourse in which or on the banks of which they are worked, and with respect to such claims the following provisions shall apply : — (1.) For an ordinary claim the area shall not exceed 1 acre, and not more than 3 chains of the course of the watercourse shall be comprised therein. (2.) For an extended claim the area shall not exceed 5 acres, and not more than 15 chains of the course of the watercourse shall be comprised therein. (3.) For a special claim the area shall not exceed 100 acres, and not more than one mile of the course of the watercourse shall be comprised therein, 20. With respect to the area and dimensions of quartz claims the following provisions shall apply :— (1.) For an ordinary claim the area shall shall not exceed 1 acre, and not more than 200 ft. of the length of any supposed reef shall be comprised therein. (2.) For an extended claim the area shall not exceed. 5 acres, and not more than 500 ft. of the length of any supposed reef shall be comprised therein. (3.) For a special claim the area shall not exceed 100 acres. 21. With respect to the area, form, and dimensions of sea-beach claims, the following provisions shall apply: — (1.) The claim shall be bounded on the shoreward side by a straight line, parallel, as near as may be, to the mean frontage-line of the shore at high-water mark, but at no point distant more than 500 ft. above high-water mark ; and on the seaward side by straight lines at right angles to the shoreward line, and extending seawards indefinitely. (2.) For an ordinary claim the area shall not exceed 1 acre, and the length of frontage to the shore at high-water mark shall not exceed 200 ft. (3.) For an extended claim the area shall not exceed 5 acres, and the length of frontage to the shore at high-water mark shall not exceed 500 ft. (4.) For a special claim the area shall not exceed 100 acres, and the length of frontage to the shore at high-water mark shall not exceed one mile. 22. Subject to the provisions of the last-preceding regulation as to form, area, and dimensions of sea-beach claims, every sea-beach claim which is worked by a dredge shall be deemed to be a dredging claim. Marking-out of Claims and other Mining Privileges. 23. The marking-out of a claim or other mining privilege by the person who desires and is qualified to take up the same shall be done by marking the same at the boundaries of the land in manner following: — (1.) At every angle or corner of each boundary-line, or as near thereto as is practicable, there shall be erected pegs of substantial material, standing not less than 2 ft. above the surface of the ground, and being not less than 3 in. square, or, in the case of a round peg, being not less than 3 in. in diameter. (2.) If pegs are not available, there may be used in lieu thereof cairns of stones or mounds of earth, having in each case a height of not less than 2 ft., and a diameter at the base of not less than 18 in. (3.) The direction of the boundary-line on each side of each peg shall be indicated with reasonable clearness by a trench, having a length of at least 5 ft. along the boundary-line on each side of the peg, and a depth and breadth of at least 6 in. : Provided that, if trenches cannot conveniently be cut, the direction of the boundaryline may be indicated by finger-posts, tree-blazing, or in any other manner reasonably sufficient for the purpose. (4.) The pegs, cairns, or mounds shall bear or have affixed thereto some one distinguishing mark. (5.) In the case of a sea-beach claim, it shall not be necessary to mark it out below high-water mark. (6.) In the case of a dredging or river claim which comprises any portion of the bed of a stream, the boundaries of the claim shall extend to both banks of the stream, unless the Warden otherwise authorises.