Kinfauns Castle (Scotiae) -+- 7.1 Cels (56<'24:"lat. sept.) 

 Ulvensang(Norweg.occicl) --h 7,2 — (60^19" — 



Lund -4- 7.2 — (55«42<^ — 



Braunsberg (Borussiae) . , -h 7.2 — (54^23" — 

 Montes nostros . . . h- 7,2 — (50^40^ — 



Varsoviam -+- 7.5 — (52° 13<^ — 



A Varsovia tendit linea orientem versus usque 

 ad paludem Oxiauum, ut Berghausii tabula indicat, et 

 quum se vertit a Scotia septentrionem versus supra 

 Orcades insulas, quarum calor medius -+- 8.0 Cels. 

 est, tum inter insulas „Shetland'' et „Faroer" ad oc- 

 casum sohs vergit. 



Lineae vero, quae dicuntur „Isochimene" et „Iso- 

 there" plane aliam viam habent. Statuentibus nobis 

 medium frigus esse — 1.6 — — 1,8 Cel., quod hie- 

 nus frigus etiam totius Silesiae sit, haec loca occur- 

 runt a linea „Isochimene" percursa: 



Reikiavik (Island) . . — 1.6 (64" 8' lat. sept.) 

 Lund (Sueviae) . . . — 1.7 (55 " 42' — 

 Braunsberg (Borussiae) — 1,6 (54^ 23' — 

 Zillau (Saxoniae) ., — 1.7 (50" 54' — 

 Montes nostri . . . — 1.7 (50" 40' — 



Inde transit in Galliciam, Moldaviam usque ad 

 Chersonesum tauricam. 



Multo vero magis discrepat linea „Isoihere" a li- 

 nea ,Isotherme," quam si ponimus medium aestatis 

 calorem: -h 13 ".6 R. sive H- 17".l C, qui est quoque 

 totius Silesiae, haec loca designant: 



Gosport (Britanniae) . -h 17.1 (50" 48' lat. sept.) 

 Londinium ...,.-+- 17.1 (51 ^ 31' -— 

 Lugdunum Batavorum . H- 17.2 (52" 10', — 

 Harlem (Bataviae) . . -h 17.0 (53" 5' — 



Cuxhaven -+- 17.2 (^^^» 53' — 



Bremen ...... -H 17.2 (53" 15' — 



Lueneburg -H 17.2 (53" 15' — 



Hamburg -h 17.1 (53" 29' — 



Kopenliagen ...,-+. 17.2 (55" 41' — 



Halle -H 17.1 (51" 31' — 



Dresden -h 17.2 (51" 3' — 



Silesia (Montes nostri) . -f- 17.1 ( — — — 



Unde tendit orientem versus via Wilnae ad oppi- 

 dum rossicum Nischnei Nowgorod, sed paullulum 



2 



