[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.