Ah... found this list elsewhere (at
http://archive.org/stream/documentsofconve00virg/documentsofconve00virg_djvu.txt) from the Virginia State Convention of 1861, which also agrees closely:
REPORT OF ARTICLES ON HAND 21ST APR., 1861, WHEN POSSESSION
WAS TAKEN IN THE NAME OF VIRGINIA.
REPORT
Of Ordnance and Ordnance Stores on hand at the Gosport Navy
Yard on the 21st April, 1861, when possession of it was taken
in the name of Virginia.
1 11-inch Columbiad;
2 10-inch Guns;
52 9-inch Guns;
4 8-inch 90 cwt. Guns;
41 8-inch 63 cwt. Guns;
27 8-inch 55 cwt. Guns;
1 8-inch 57 cwt. Gun;
4 64-pounders, of 106 cwt.;
225 32-pounders, of 61 cwt.;
173 32-pounders, of 57 cwt.;
44 32-pounders, of 51 cwt.;
28 32-pounders, of 46 cwt.;
82 32-pounders, of 33 cwt.;
34 32-pounders, of 33 cwt.;
44 32-pounders, of 27 cwt.;
1 Boat and Field Howitzer, 1,200 lbs.;
2 Boat and Field Howitzers, 250 lbs.;
Amounting to 293,346.91
235 61 cwt. Guns, old style;
50 70 cwt. Guns, old style;
44 40 cwt. Shubrick Guns;
63 42-pounder 27 cwt. Carronades;
35 32-pounder 32 cwt. Carronades;
Amounting to 160,243.20
----------------
Obviously from the same source there, since the differences are 41 versus 47 8-inch 63-cwt. guns, which is obviously a transcription error (1 vs. 7), and the two quantities of 32-pounders of 33 cwt. (82 and 34) have been summed to yield 116.