196 Do ... Red
245 Re ... Orange (start of Second Octave)
294 Mi ... Yellow
343 Fa ... Green
392 Sol ... Blue
441 La ... Indigo
490 Si ... Violet
539 Do ... Red
Etc., etc.
The fifth sense is in our possession: it is possibly that of geometrical form, and its steps of progression would be 5 × 7, or 35.