All my notes seem to correspond to the Commandos (Western, Eastern and Southern Commandos, plus the deployed 1st Commando, Fiji Guerillas), rather than the regulars. I think they're possibly sourced from www.nzetc.org/tm/scholarly/tei-WH2IP-Comm.html , but that seems to be down at the moment so I can't confirm.
What I do have says Western Commando was mostly mounted Kiwis, Eastern and Southern Commandos were Fijian manned with NZ officers and NCOs, with Southern Commando under Major C W H Tripp having c50NZ, c200 Fijians. When 1st Commando was formed it was under Major Tripp and hed "thirty-nine New Zealand officers and NCOs, and one hundred and thirty-five Fijians. The total unit of one hundred and seventy-four men was grouped as follows: Headquarters, one officer and twenty-two other ranks; two companies each of seventy-five men with a lieutenant in charge."
A general note says "Even with reinforcements the Force was not large enough to maintain defensive positions at all points of the Fiji Group, so it was divided and troops stationed at each end of Viti Levu, the main island of the Group. These troops were to defend the important strategical points of Suva Harbour and Naurosi Airfield in the east, and Lautoka Harbour and Nandi Airfield in the west. The rest of the island was covered by mechanised patrols; but as there was only one road winding for three hundred miles around the island, and as visibility was restricted because of the dense bush on all sides, the position was not entirely satisfactory. The Third New Zealand Division therefore decided to set up commando units at all the most inaccessible spots between the fixed defence positions. The commandos were to oppose, with delaying action, enemy landings from sea or air, and to deny the enemy the use of the road until the main Allied forces could be brought into position. The island was divided into three sectors — Western, Eastern, and Southern—and in April, 1942, commando companies were formed in each of these sectors. The name "commando" was used in its older sense and applied to these units because they were independent companies," I suspect all the quoted text is verbatim from wherever I found it in the first place.
In trying to retrace the origin of my notes I came across the Google books scan of 'Fortress Fiji' http://books.google.co.uk/books?id=uf5Pi77k1GMC&pg=PT102&lpg=PT102&dq=First+Commando+Fiji+Guerrillas&source=bl&ots=21EQAhVGsS&sig=X7Ww6EuniLy-NTSjJzzDNlKKBzc&hl=en&sa=X&ei=-a4AU6CqB6707Abo1YCgDg&ved=0CEgQ6AEwBDgU#v=onepage&q=First%20Commando%20Fiji%20Guerrillas&f=false Nothing on detailed infantry organisation, but a few mentions of other units: 2 battalions and 2 docks companies of the Fiji Labour Force, a hint there might have been a 2nd Commando (though literally just a mention of the name), and a table with the coast defences under 1st Heavy Rgt, Fiji Artillery. It doesn't give marks, but I'd suspect 'supercharged 6"' are 6" Mk VII* or Mk XXIV, while 6" without that annotation will probably be the normal 6" Mk VII
< Message edited by dwg -- 2/16/2014 1:29:57 PM >