10 Enumeration of the Principles.—S. D., II, 627, 631.
     1st Principle     Dense physical body.  Sthula Sharira.
     2nd Principle     Etheric body.  Linga Sharira.
     3rd Principle     Prana.  Vital energy.
     4th Principle     Kama-rupa.  The energy of desire.
—S. D., I, 136.
     (These are the lower four principles.)
     5th Principle     Manas.  The energy of thought. 
The middle principle.—S. D., II, 83, 84.  II, 332.  S. D., II, 669.
     6th Principle     Buddhi.  The energy of love.—S. D., II, 649, 676.  S. D., III, 58.
     7th Principle     Atma.  The synthetic principle.—S. D., I, 357, 201.  S. D., III, 142.
See S. D., III, 201, note.
a. Buddhi is the vehicle for atma.
b. Manas is the vehicle for buddhi.
c. Kamarupa is the vehicle for manas.—S. D., II, 171.
d. The etheric body is the vehicle for prana.
Remember also:—
a. That the physical body is not a principle.—S. D., II, 652.  III, 445.  III, 652.
b. That atma is not a principle.  See also S. D., III, 62, 63.  III, 293.
(Other enumerations, differing in certain particulars will be found:—S. D., 177, 181, 685.  II, 669.  III, 476, 560.  The latter is more esoteric.)