STARSINNUMERABLE 137
thefactthatfromtwothousandtotwothousandfive
hundred stars arevisiblein thenorthern hemisphere
tothenakedeye....
"Butthe starswhicharethusvisible formonlya
smallpartofthose whoseexistenceis known tous.
Onthattablethereliesabinocularglass. Takeitup
andlookatanypart oftheheavensthrough it,and
seewhatamultitudeofstars,itbringsintoviewutterly
invisibletothenaked eye! Thebinocularforms an
admirableandinexpensiveinstrumentforelementary
astronomicalresearch,especiallywhenusedwithmaps
ofthestarryheavens. Proctor'sstaratlasis one of
thesimplestandbestforthispurpose,showing,with-
outcrowding, allthestarsintheBritishAssociation
cataloguedowntothesixthmagnitude.
"Asweturnoverthetwelvemapsofthisatlas,we
notethe factthattheyexhibit2,487 and 3,466stars
inthenorthernandsouthernhemispheres,5,953inall,
andthattheBritishAssociationcataloguefromwhich
theyaretaken,professestoincludeallthestarsvisible
tothenakedeye.
"Butnowturningtoamoreextensivecatalogue,we
takedownavolumeof 1,200pages—Lalande'scata-
logue ofstars—whichgivestherightascensionand
northpolardistancesof47,390stars,ornearly48,000
stars;andastheheavensaredividedbyastronomers
intotwenty-fourparts,correspondingwiththetwenty-
fourhoursofthedayandnight,eachofthehoursec-
tionswouldcontainonanaverage2,000ofthesestars,
oraboutasmanyasareordinarilyseenintheentire
hemisphere by the naked eye. But what are even