1903.] LOWELL—THE CARTOUCHES OF MARS. 367 
| Days before — Sor'erice _  Daysafter 
30 0 
ior 
iS} 
8 
So 
8 
iy 
is} 
3 
Lat.64N 
Syrgis 
Mean Long. 300° 
ee 
Lat 63°N 
Em petis 
Mean Long.266° 
Lat 62°N 
Pierius 
Meantong.320° 
a 
© 
6) @ 
© 
Lat 58°N 
Callirrhoe 
MeanLong o° 
os 
2 ® 
1 | 
* 
* @) 
() 
} 
oi 
Bu 
(*) 
Lats7°N. 
Singames 
MeanLong.235° 
Lat 52°N. 
Jomanes 
Mean Long.318° 
(9) 
| 
se 
{*) 
a 
ce 
= Minimum Visibility SUB-ARCTIC CANALS 
Plate II. 
