79 The seven senses or the avenues of perception.—S. D., I, 489, 490, The third or Indriya Creation.—S. D., III, 567.
Indriya—The control of the senses in yoga practice.  These are the 10 external agents; the 5 senses which are used for perception are called 'Jnana-indriya' and the 5 used for action 'karma-indriya.'—Theosophical Glossary.
"Jnana-indriyas"—literally knowledge-senses...by which knowledge is obtained....They are the avenues inward.
"Karma-indriyas"—literally action senses...those producing action.  They are the avenues outwards.—Study in Consciousness, pp. 166-167.
1. Sensation is latent in every atom of substance.—S. D., II, 710.
2. The Sun is the heart of the system and sensation emanates from there.  It is due to solar radiation.—S. D., I, 590, 662.
3. Knowledge is the end of sense.—S. D., I, 300.
4. There is a double set of senses, spiritual and material.—S. D., I, 582; S. D., II, 307, 308.  This finds its reflection in the double set of physical senses noted in defining the indriyas.
5. The senses might be enumerated as follows:  S. D., I, 583 and note 123; S. D., II, 600, 674, 675, 676.
 
6. The elements are the progenitors of the senses....—S. D., II, 112, 113.
a. Aether     Hearing     Sound     Atmic plane
b. Air     Touch     Sound, touch     Buddhic plane
c. Fire     Sight     Sound, touch, sight     Mental plane
d. Water     Taste     Sound, touch, sight, taste     Astral plane
e. Earth     Smell     Sound, touch, sight, taste, smell     Physical plane
 
7. Every sense pervades every other sense....—S. D., III, 569.
There is no universal order.  All are on all planes.—S. D., III, 550.
 
8. The senses correspond with every other septenate in nature.  See S. D., III, 448.  (Compare S. D., III, 497.  Practical reading....—S. D., I, 288