Longways for as many as will
Video: http://www.youtube.com/watch?v=hyJCRHvE9NU
Recording: sun_assembly--043.mp3.zip
sun_assembly-vemh-16.mp3.zip

Published in 1757 in Thompson's Compleat Collection of 200 Fashionable Country Dances and interpreted Ken Sheffield in 1982. The dance appears earlier in Johnson, 1751 A Choice Collection of 200 Favourite Country Dances, Vol 6.

Original instructions are not quite the modern variant.

First and 2d. Cu Hands all 4 circle half round and back again Cross over half figure and foot it and turn 1st. Cu. Hands round with the 3d. Cu. and then with the 2d. lead thro' the 2d. Cu. cast off and turn your Partner

   A     8  Hands four half-way; and fall back with corner
         8  "Gate": (First couple leads up one place and casts back, assisted
            by second couple)
         8  First couple half a figure-eight up through second and back to 
            second place, as second couple cross up on last 4 beats
         8  Set and turn single
   B     8  First couple right hands across with couple _below_
         8  First couple left hands across with original second couple
         8  First couple lead down through next couple and cast back to place
         8  Turn partner, both hands.

See an animation of this dance.