'•»

358
very reasonably be doubted whcthcr ihere be really any csscntial
physical
dislinction betwccn nebulnc and Clusters of slars.«
27 (321.) Dr. 9Md)ol,^rofeJTorber2lftronomie ju ©laögow, Ijat
btefen, auö Castle Parsonslown batirten 93rtef tu feinen Thoughts
of some important points relaling to tbc System of
the World 1846 p. 55 befannt gemacht: »In aecordance with
roy promisc of communicating to you the result of our examinalion
of Orion, I think, 1 may safely say, that there can be
bitte, if any doubt as to the resolvabilily of the Ncbula. Since
you Icl't us, there was not a single night when, in absence of
the inooii. the air was fine enough to admit of our using more
lhan half the magnifying power the speculum
bears: still we
could plainly sce that all about the irapczium
is a mass of
stars; the rest of the ncbula also abounding with slars and
exhibiting the characteristics of resolvabilily strongly marked.«
28
(©. 322.) 3Jergl. Edinb. Review Vol. 87. 1848 p. 186.
2 *
(©. 323.) Äoömoä 95b. 111. ©. 183 unb 212 (9tnm. 84).
30
(©. 323.) Äoöntoö 93b. 111. 0c 44.
31
(©. 323.) Newton, Philos. Nat. Principia raathemalica
1760 T. III. p. 671.
32
(®. 323.) Äoömoä 93b. I. ©. 146.
•? (®. 323.) Äoömoö 93b. I. ©. 412 (2Inm. 66).
a *
(©. 323.) ©ir 3odn Jjerfdjet, Gapretfe 5 109-111.
35
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