[3001] A town of Mysia, south of Adramyttium.
[3002] As Ajasson remarks, numerous instances are known of this at the present day. Pliny, however, does not distinguish the incrusting springs from the petrifying springs.
[3003] In Thessaly, according to Hecatæus.
[3004] “Lateres.” He means unburnt bricks, probably.
[3005] He alludes to stalactites and stalagmites.
[3006] Both on the roof and on the floor.
[3007] In Caria, opposite Rhodes.
[3008] Rain-water really is the lightest, but the reason here given is frivolous, for it does not ascend as water, but as vapour.
[3009] See B. ii. c. 38. Before venturing on this argument, he should have been certain as to the circumstances under which aërolites are generated, a question which still remains hidden in mystery.
[3010] Ajasson remarks that this is only the case in the water of heavy falls of rain after long drought.