Jim;
T.O.S. - taken on strength
S.O.S. - stricken off strength
No. 70 C.A. (B) T.C. - Number 70 Canadian Army Basic Training Centre
General List - no assigned trade on attestation
On joining he was posted to the strength of No. 7 District Depot and than when he moved on to basic training he was stricken off strength of No. 7 District Depot (losing unit) and taken onto the strength of No. 70 C.A.(B)T.C. (gaining unit)
The Part II D.O. No. Cas. List, Etc - means Part 2 of District Orders
No. - paragraph or serial, ie the 137 and 143
Cas. - casualty - date, if any, entered here
List - will get back to you on this - they referred to a code which was used to show a persons status, example - List X2
Hope this helps.
Cheers
P.S. - Carman;
- to the best of my knowledge, there are no books or sites that contain service terminologies and abbreviations.
Have to run