There are some variants of this dance suggested by the devisor:
The Puggy 1a: uses circles 8-hands round and back on bars 1-8 and 17-24.
The Puggy 1b: if danced with 3 couples, the circles are 6-hands round and back on bars 1-8 and 17-24.
The Puggy 2: uses circles 4-hands round and back on bars 1-8 and 17-24 for the top two and bottom two couples, respectively.
(rf.
The Puggy 1
and
The Puggy 2
at the Scottish Country Dancing Dictionary)
The Puggy was the nickname of the steam­driven, 0-4-0 locomotives used for shunting and short­haul work in many industrial locations (notably distilleries and shipyards) in Scotland.
Bars 1-8 represent the driving wheels starting and reversing;
in bars 9-16, the puggy is moving around the goods yard;
bars 17-24 represent the driving wheels starting and reversing again;
in bars 25-32, the puggy takes three trucks around the goods yard and shunts them back into the siding.
(Source:
Scottish Country Dancing Dictionary
)