LIB. II. 39, 40. 



intueri licet. Hinc insequalitates luminosi et opaci in 

 luna distinctius ceriumtur et locantur ; adeo ut fieri 

 possit quaxlam seleno-graphia. Hinc macula? in sole ; 

 et id genus : omnia certe inventa nobilia, quatenus 

 fides hujusmodi demonstrationibus tuto adhiberi possit. 

 Quse nobis ob hoc maxime suspectaj sunt, quod in istis 

 paucis sistatur experimentum, neque alia complura in- 

 vestigatu rcque digna eaclem ratione inventa sint. 



Tertii generis sunt bacilla ilia ad terras mensurandas, 

 astrolabia, et similia : quse sensum videndi non ampli- 

 ant, sed rectificant et dirigunt. Quod si sint aliae in- 

 stantise, quse reliquos sensus juvent in ipsorum actioni- 

 bus immediatis et individuis; tamen si ejusmodi sint, 

 quae informationi ipsi nihil addant plus quam jam ha- 

 betur, ad id, quod mine agitur, non faciunt. Itaque 

 earum mentionem non fecimus. 



XL. 



Inter prterogativas instantiarum ponemus loco de- 

 cimo septimo instantias citantes ; sumpto vocabulo a 

 foris civilibus, quia citant ea ut compareant, qua; prius 

 non coniparuerunt : quas etiam instantias evocantes ap- 

 pellare consuevimus. Eac deducunt non-sensibile ad 

 sensibile 36 . 



Sensum autem fugiunt res, vel (1) propter distan- 

 tiam objecti locati 37 ; vel (2) propter interceptionem 



truth had it been revealed in his &quot; in istis paucis sistatur experimen- 



own day. The Selenography which turn&quot; is to be blamed. Galileo dis- 



he foresees, has, of course, been covered the Satellites of Jupiter, 



carried to great perfection ; and the 36 It is hard to translate this 



spots in the Sun were first dis- &quot; deducunt &quot; without some such 



covered by Harriot in 1610; and periphrasis as &quot; bring down to the 



from them it was calculated that range of the Senses that which was 



the Sun revolves on its own axis previously beyond them.&quot; 



in about 25 days 7 hours. Ba- 3J &quot; This class runs into that of the 



con s caution is not to be despised, &quot; Janua.&quot; For surely stars not vi- 



though his haste in affirming that sible to the naked eye, but disco- 



S 2 



