The Yoga-system of Patan□jali; or, The ancient Hindu doctrine of concentration of mind, embracing the mnemonic rules, called Yoga-su□tras, of Patan□jali, and the comment, called Yoga-bha□shya, attributed to Veda-Vya□sa, and the explanation, called Tattva-va□ica□radi□, of Va□chaspati-Mic□ra