I 7^1 
The Ohfervations of the Ancients concerning the Ob^ 
liquityof the Zodiac, in a Letter of Mr. Edward 
Bernard to Mr. John Flamfteed Math. Reg, 
De Obliquitate J^diacz, Script ores Greeci. 
HAnc reperit Eratofthenes» antenatum Chriftum an, 
230. Grad. 2 3.atqueinfuper 51'. 19' . Ji". / 
Diftantia enim tropicorum ipfi fuit H circuli Meridiani 
live 47. gr. ||. Ptol. ^y. p. 1 8. 21. Quare ^o?^<n^ Erato- 
fthenica minor erat Ptolemaica tantum I3 unius minuti le- 
cundi, re fane contemnenda . 
Eratofthenes apud Cleom^dem , Ricciolo eruen- 
te, (fupra grad. 23.) 4d'* 00''. 
Eratofthenes i Ricciolo quafi corredlus. 31'. f\ 
Hipparchus ("ante Chrift.i4o.)Eratofthenicam retinnic« 
Ptol. W. p. l8.8cp. 60. Theonis, <yf <k^^fi3(Sr eihHiJ.^Uv, 
JI.I9.3I.J. 
Tabulae tamenChovarefmicse, CO nditsspoftChrift. 830, 
exhibent Canonicam ^o^(^(ny Alexandrinorum, juxta MS. 
Lat.D.Hattoni yiVoo'. 
PytheasMaffilienfis, ante Chrift. 324. Ricciolo. 5*2'. 
41". 
Ariftarchus ante Chrift. 280. lUaftri Saviliofupputante^ 
Si\ 20". 
Ariftarchus, ex ratiocinio Riccioli 3 o'. 00". 
Strabo Geographus, pag9 3. poft Chrift. 30. Circu- 
li, five praeter gradus 23 . adhuc unius, five 60'. 00 oo' '* 
Nec aliterGeminus (tempore ChriftiJ Cap. IV. Ele- 
ment. Aftron. EtTatius c. 26. atqueProclusde Sphasra. 
Indique, fiveAftrologi, apud Noddamum Arabem, A« 
brahamum Abeneldram, &c. 
Noddamus Aftronomus, qui floruit circa an. Domini 
1200. notat AoJa»cnj. neque oWervatam unquam majorem 
gr. 24. neque minorem ^3,^3': coatinuo tamen decre- 
viffe. 
Ra ClVt^- 
