[121.] COMMENTARIVS.
[122.] COMMENTARIVS.
[123.] DE AMBITV TERRAE.
[124.] COMMENTARIVS.
[125.] COMMENTARIVS.
[126.] VIÆ AD INVESTIGANDVM AMBITVM TERRÆ commodiores, quàm ea, quæ ab auctore tradita eſt.
[127.] COMMENTARIVS.
[128.] REGVLA, QVA DI AMETER EX CIRCVNFE-rentia, & circumferentia ex diametro inueniatur.
[129.] REGVLAE, QVIBVSET SVPERFICIES MA-ximi circuli in orbe terreno, uel etiam in quacunque ſphæra, & ſuperficies conuexa eiuſdem orbis terreni, uel etiam cuiuſque ſpære, immo, & tota ſoliditas inueniatur.
[130.] DE VARIIS MENSVRIS Mathematicorum.
[131.] VARIÆ SENTENTIÆ AVCTORVM in ambitu terræ præfiniendo.
[132.] DISTANTIÆ COELORVM A TERRA, craſſitudinesq́ue, & Ambitus eorundem.
[133.] DIGRESSIO DE ARENAE NVMERO.
[134.] PRIMI CAPITIS FINIS.
[135.] CAPVT SECVNDVM DE CIRCVLIS, EX QVIBVS SPHAERA materialis componitur, & illa ſupercæleſtis, quæ per iſtam repræſentatur, componi intelligitur.
[136.] COMMENTARIVS.
[137.] I.
[138.] II.
[139.] III.
[140.] IIII.
[141.] V.
[142.] VI.
[143.] VII.
[144.] VIII.
[145.] IX.
[146.] DE AEQVINOCTI ALI CIRCVLO.
[147.] COMMENTARIS.
[148.] COMMENTARIVS.
[149.] COMMENTARIVS.
[150.] OFFICIA ÆQVINOCTIALIS CIRCVLI. I.