ifig pari! difperfed up and down in it s hy the Whe^l Barometer," 
heavy^ 
B. Another Scheme, which 1 drew from my Obfervation^ about 
lo, mimtes after, the fame morning. Both theje were obferved with 
very deep Eye^glafs. ^ ' • 
C. March lO^' oo^- ^o^'in the morning: the Air heavy and 
inpBivs , Z>fe was made a fallow or ordinary Charge, 
D. March 10^- '^^'00^ in the Morning; the Air very ieavy and^ 
JnflSive, which made it glare and radiate, and be more confufid^than 
about 3. hours before. AJhaHorp Charge^ 
E. Adarch 21'^' ^V^'p^ft merid s the Air light (in weight) and clear, 
without infleSing parts y the face appear d m§ft difiinBly ef this 
Forme. A Jhallow Charge. 
F. March 2 1 ^- 1 1 4^- p&fi mertd 5 the A ir continuing very light and 
ckar^withoutinfleBtng vapours, A fh allow Charge. 
G. March 21^'^y^'pofl mer. the Air clear ^ with few infieiling 
veins in it,and indifferent light. A Jh allow Charge. 
H. March 97^- p^Ji mer. the Air pretty light, but moijl , and 
(emewhat thici^ and b^^y^ but feem*d to have but few veins, orinfle- 
iliHg parts. 
I. March 7%^' :^^'p. m. much the fame \ind of Air with that §f 
March 23 5 light ^.moiji, and a little ha^y^with form very few veins. 
Ohfervatiom 
Made in Italy, confirming the former^ and mball filing the 
Period (f the Revolution o/Mars. 
Thefe Obfervations we fliall fummarily prefent the Curious 
in thefe parts with^ as they were lately prefented (by Letter 
from his Excellency the Ambaffadour o{ Venice^ now refiding 
at the Court of Jr^^^r^ ) to the J{pyal Society , in fome printed 
flieets of Paper 5 entituled 3 MART IS, circa Axem preprium 
J{evolubilis^Obfervationes., B 0 N 0 N I j£ d Jo,D 0 M J N I CO 
CASS IN 0 habitue come to hand Jme 3.1666. 
In thefe Papers the Excellent CaJJini ^Sivms > 
1 . That with a Tele/cope of 24. Palmes , or of about 1 6 Foot^ 
wrought after SXampanis way, he began to obferve February &. 
1 666 {ft. n J in themorningjand faw two dark Spots in the fir/i 
Face of Mars. 
2. That 
