Scotland U19 coach Peter Wright has also selected Hillhead-Jordanhill's Joe Stafford who has turned out for Glasgow's back-up team this season.
The current squad of 34 will be trimmed to 26 for the World Cup later this year.
Forwards
Will Allman (Dunfermline), Josh Brown (Bristol/Stilton Colts), Kevin Bryce (Stirling County)*, Steven Burton (Currie), Craig Charters (Hawick), Angus Dixon (Aberdeen Grammar Rugby), Adrian Duncan (Stewart's Melville FP), David Herdman (Stourbridge), Mark Kibble (Gala), Ralph McInally (Perthshire), Fraser Mckenzie (Edinburgh and Dunfermline)*, Ben Murray (Gala), Lewis Niven (Edinburgh Accies/Trinity), Neale Patrick (Dunfermline), Craig Simmonds (Dalziel), Joe Stafford (Hillhead-Jordanhill)*, Gary Strain (Dalziel), Iain Wilson (Howe of Fife), Alexandre Wukovits (Begles Bordeaux)
Backs
Murray Allan (Stewart's Melville FP), Ruairidh Bonner (Edinburgh Accies), Tom Bury (Edinburgh Accies), Harry Duthie (Harrogate), Reda Guedroudj (Aberdeen Grammar Rugby), Ruaridh Jackson (Glasgow and Cartha)*, Lee Jones (Selkirk), Chris Kinloch (Fettes and Edinburgh Accies)*, Lawrence Lemmon (Gala), Stephen McColl (Dunfermline)*, Micheal McNaughton (Aberdeen Grammar Rugby), James Murray (Edinburgh Accies), Matthew Roxburgh-Heeks (London Scottish), Ross Samson (Tynedale), Jonny Smart (Dunfermline).
* = Member of National Junior Academy