( 5 * ) 
nefs of a fmall Star ^ from the Comparifon of which 
with the Tail the Brightnefs of the latter may in 
forae fort be colle&ed : The Tail appear’d fharper, and 
not fo much fpread in the two following Obferva- 
tions, and in the laft did not exceed one third Part 
of the firft Length j it was then of a much darker 
Colour, which made the Difference between that and 
the Head more obfervable, the Head yet appearing 
fufficiently bright. For fome following Nights his 
Lordlhip’s Obfervations were interrupted by cloudy 
Weather, after which the Comet was fo far diminilh’d, 
as only to be known by its Motion, its Appearance 
being no ways diftinguiftiable from that of a fmall 
nebulofe Star. 
III. ObferVatio ejufdem Comet a ah llluftrijjlmo Do- 
mino Francifco Bianchini habit a Albani Men- 
fe O&obri, 1725. <&* ah eodem Ulyjipponem 
miff a P. Joanni Baptiftae Carbone Soc.J ESU. 
CommuuicaYit Ifaacus Samuda, M. D. Col Med . 
Lond. L. S. 3 ^. S. 
D IE 17 OElobris, poftquam Jovialium Comitum 
fitum obfervaifem forte in Conftellationem Ca - 
pricorni oculos conieci j oumque aftra lingula percur* 
rerem, in quamdam veluti nebulofam ftellam incidi, 
casteris fane grandiorem, quam tamen ibidem loci 
numquam antea obfervaram. Rei novitate perfcru- 
taturus, eo Telefcopium direxi, ftatimque Cometen 
elTe deprehendi j liquidem tenuiffimas nebula globus 
apparuit, ejufque in medio veluti lucidus nucleolus. 
Idem quoque nudis oculis difcernere licuit } dt pra> 
1 2 ter 
