Scotland will be denied the services of wing Darcy Graham for the rest of the Six Nations.
The Edinburgh flyer had returned to training before the Italy fixture after a knee injury ruled him out of the opening two matches, but a setback in his recovery means he will play no part in the Championship.
Townsend has added Edinburgh lock Lewis Carmichael to a 37-man training squad that will gather on Monday to begin preparations to face the French.
The versatile Exeter lock Sam Skinner, who was not deemed sufficiently match-fit to be involved against Italy after only recently returning from a hamstring injury that forced him to miss the World Cup, is also included.
Skinner could push for a place in the match-day 23 against France – which Townsend will confirm on Friday – after playing the full 80-plus minutes in the Chiefs’ dramatic Premiership encounter at Harlequins on Saturday.
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WATCH: The guys round up all the Guinness Six Nations and Premiership action. They discuss the shenanigans at the breakdown in England v Ireland among others. We also hear from Brad Shields on his injury and his quest to get back into Eddie’s England squad.
France have won on seven of their 10 Six Nations trips to Murrayfield, but lost on their last two visits in 2016 and 2018, as well as a World Cup warm-up Test last August.
Scotland training squad to face France:
Simon Berghan (Edinburgh)
Jamie Bhatti (Edinburgh)
Magnus Bradbury (Edinburgh)
Fraser Brown (Glasgow Warriors)
Lewis Carmichael (Edinburgh)
Luke Crosbie (Edinburgh)
Scott Cummings (Glasgow Warriors)
Allan Dell (London Irish)
Matt Fagerson (Glasgow Warriors)
Zander Fagerson (Glasgow Warriors)
Grant Gilchrist (Edinburgh)
Tom Gordon (Glasgow Warriors)
Nick Haining (Edinburgh)
Stuart McInally (Edinburgh)
Willem Nel (Edinburgh)
Jamie Ritchie (Edinburgh)
Sam Skinner (Exeter Chiefs)
Rory Sutherland (Edinburgh)
Ben Toolis (Edinburgh)
George Turner (Glasgow Warriors)
Hamish Watson (Edinburgh)
Chris Harris (Gloucester)
Adam Hastings (Glasgow Warriors)
Stuart Hogg (Exeter Chiefs) CAPTAIN
George Horne (Glasgow Warriors)
Rory Hutchinson (Northampton Saints)
Sam Johnson (Glasgow Warriors)
Huw Jones (Glasgow Warriors)
Blair Kinghorn (Edinburgh)
Sean Maitland (Saracens)
Byron McGuigan (Sale Sharks)
Ali Price (Glasgow Warriors)
Henry Pyrgos (Edinburgh)
Matt Scott (Edinburgh)
Kyle Steyn (Glasgow Warriors)
Ratu Tagive (Glasgow Warriors)
Duncan Weir (Worcester Warriors)
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