Rear bow sight for an archery bow

An improved bow sight for use in combination with a bow having a frame, said frame having a central portion, said central portion including a front sight having horizontal sighting elements mounted in front of said central portion, said improved bow sight comprising:

• an attachment member having a first end having walls defining a cavity and a second end having walls defining a vertical slot, said attachment member adjustably mountable to said central portion of said frame such that said first end of said attachment member is located rearwardly of said central portion of said frame and capable of being positioned at a preselected vertical location with in said vertical slot;
• an elongated member having a first end and a second threaded end, said threaded end adjustably mountable longitudinally within said cavity of said attachment member, said elongated member capable of rotation and longitudinal adjustment within said cavity of said attachment member;
• a rear sighting assembly mountable to said first end of said elongated member, said rear assembly comprising;
• a flexible tension bearing member having a convex surface and having a first end and a second end with an apex therebetween;
• a substantially vertical cross hair attached to said bow member so as to be under tension;
• a spine member perpendicularly attached to said convex surface of said bow member, said spine member having walls defining an arcuate slot and dimensioned for receipt within said forked end of said elongated member;
• and
• said rear sighting assembly adjustably mountable to said elongated member so that said cross hair may be positioned to intersect and be substantially perpendicular to said horizontal sighting elements of said front sight at a preselected angle.