Circulation of Prana 133 



regions, very different shapes." The signficance 

 of this change of form, however, seems never to 

 have been surmised by the anatomists. 



In Standard dictionary, under the word " Peri- 

 neurium," an interesting illustration can be seen 

 of a cross-section of a nerve. There are five coils 

 of wire-like fibres grouped together in the gen- 

 eral sheath. They vary greatly in size, and 

 every coil has its own insulating sheath, pre- 

 serving to every Tattva its inviolate line, though 

 all run over the same wire, or nerve. Presumably, 

 the sizes of the coils vary according to the domi- 

 nance of the Tatty as. 



The Padmas of the sympathetic cord are closely 

 connected with all the thirty-one Chakras of the 

 spine. Those of the Pingald are, of course, posi- 

 tively electrified, and they owe allegiance to the 

 brain; and those of the Ida are negative and owe 

 allegiance to the heart. 



The movement of Prana through the nervous 

 system corresponds with the course of the sun 

 through the signs of the Zodiac and with ter- 

 restrial rotation. As the sun passes from one sign 

 to another, the Prana moves to the corresponding 

 Nadis of the brain. At sunrise, the rays of this 

 localized Prana descend every day to the spinal 

 Chakra on the Pingald side corresponding with 

 the position of the sun in the zodiacal sign. Thus, 

 every Chakra in turn, day by day, is the microcos- 



