of the Ast8s8 24a representing the colure, the cquador १und the ecliptio-and is to suspend upon its poles an additional movable eircle, graduated to degree this would be, of course, a revolving eircle of declinution. phe sphere is next to be adjusted in such manner that its axis shall point to the pola, and bha.b xts horizon shall be wate-level. Then. in the hight, the junction-star of Revst (6 Piheiu) i to be looked at hrough a hole in the centre ot the instrument. and the corre५nding on of the ecliptic, which is°1@y east of the end of the Const(lation Pisces, ५ to be brought ove t; after that, it will be ne°e«8$1 mi) { bring the revolying circle of declination, ag olbarWe hrun (be hole in } cent of the instrument, ovar any thet ety of Viet॥ it if desired to de•tyngine the position , and its polar longitude and latitude unny be read of directly upon the ecliptio and the novable circle respectively. Colkbrooke (A) Ress. ix. 828; }kkayर्भ 24) found this pas£nge similarly explained in other • int: upon the stry2-Siddbjnts to which he had less | 2ne with jke• न •e{ion in the connmentaries on the Siddhवैnka-ironupi. There Te, however, very bers objectims to x9ch an interpretation of the brief direction contained in the text It altogether inconsistent with the whole plan and Inthod of a Jindu astronomical reatise to leave , and even no ७rde', nates: (bj६ :haracter to be determined by observa- bign. Observation that no quch important place assigned ko k in the astro. nomial x-sta ith he xception of (errestri longitude and latude, v}hich, in th |alture of thingy, ury beyortl the cld of a treatise, it is intended that the strononey should find in his toxt-book everything which he needs for the determination of plethi? phenomen:, and should resort to instruments and observation only by way of illustrnbiom. 'The sphere of which the construction is preseribed in Ahe (lbirteenth chaplot is not an instrument for observal( ion it is expreAxly states to be k for the instruction of the pupil, 1and it •n&unnbet with such number and variety of different circles, ncluding prallel« of declination for all the asterisms and to the observed fixed htms, tht it would not be used for any other purpose it will be noticod, too, hat the omnientry is itself obliged to oder here the addition of the only 4ppliance$–the favolving circle of declination and the hole through the centre—which make of j an instrument for observa है. 'The Hinple 1nd original meaning "f the pnRage seems to be that, having constructed a pheme in the manner to be hereafter described, one my 6xamine the places of the asteristns a marked upon हैं, aिnd nots thei coincident with the actual positionx of the xtars in the heavems. And we would regard the other interpretation as forced on the passage by the comraenutzona , in order to avoid the difficulty pointed out by us above (near the end of the note on the last passage but one) and to ree the SiddhAnta from the inputation of having neglected the precessional varia. ion of the circles of declination, M, Biot pronounces the method of
