of tunnel as above, another portion of said scrip, amounting to twenty thousand dollars, shall be delivered as aforesaid; and whenever said company, in addition to the above, shall have excavated, in one or more sections, one thousand lineal feet of heading as aforesaid, and shall have graded nine miles of road, in location and otherwise as aforesaid, between Greenfield and Shelburne Falls, another portion of said scrip, to the amount of eighty thousand dollars, shall be delivered as aforesaid; and whenever said company, in addition to the above nine miles of graded road, shall have excavated five thousand feet of tunnel as aforesaid, another portion of said scrip, amounting to twenty thousand dollars, shall be delivered as aforesaid; and whenever said company shall have excavated, in one or more sections, one thousand lineal feet of heading as aforesaid, in addition to the five thousand feet of tunnel above specified, and shall have graded the road between Greenfield and Shelburne Falls, crossing the Green River upon the present location, or at a point north thereof, another portion of said scrip, amounting to eighty thousand dollars, shall be delivered as aforesaid; and whenever said company, in addition to the grading of the road between Greenfield and Shelburne Falls as aforesaid, shall have excavated six thousand feet of tunnel as aforesaid, another portion of said scrip, amounting to twenty thousand dollars, shall be delivered as aforesaid; and whenever in addition to the grading and tunnel above specified, the said company shall have excavated as aforesaid, one thousand lineal feet of heading, another portion of said scrip, to the amount of thirty thousand dollars, shall be delivered as aforesaid; and whenever in addition to the grading above specified, the said company shall have excavated seven thousand feet of tunnel as aforesaid, another portion of said scrip, to the amount of twenty thousand dollars, shall be delivered as aforesaid; and for each additional thousand feet of heading that shall be excavated of dimensions as aforesaid, another portion of said scrip, amounting to thirty thousand dollars, shall be delivered as aforesaid; and for each additional one thousand feet of tunnel that shall be excavated of dimensions as aforesaid, another portion of said scrip, amounting to twenty thousand dollars, shall be delivered as aforesaid; and whenever said company shall have completed the graduation and superstructure of the road between Greenfield and Shelburne Falls, on the route herein before specified, and shall have put the same in running order, another portion of said scrip, to the amount of forty thousand dollars, shall be delivered as aforesaid; and whenever said company, in addition to the road between Greenfield and Shelburne Falls above specified, shall have completed the graduation and superstructure of two continuous miles of road, commencing at the western termination of the above road, another portion of said scrip,