John L. Cloudsley-Thompson
Thisisnotintendedtobeacomprehensivetextbookofentomology andarachnology,butratheraconcisesynthesisofcertainbasic informationrequiredfor BSc(Hons)andMSc(Entomology) examinations. Theapproachisprimarilyfunctional:forinstance, theskeletalandwaterproofingpropertiesofthearthropodcuticle arediscussed,butnotitsbiochemistry;andIhaveincludedonly thosepointswithwhichIbelievealladvancedstudentsofthesub* jectoughttobefamiliar. Someaspectsaretodayregardedas outdated;othersdonotappearinanycurrenttexts,butIhave includedthembecauseIconsiderthemtobeimportant. Innoway, therefore,shouldthisberegardedasabookofreference. Tobe frank,itconsistsofamassofoversimplificationsandunqualified generalizationswhichareintendedtoclarifythecomplexprinciples underlyingthem. OncetheseprincipleshavebeenthorougWy grasped,thereaderwillhaveacquiredasufficientlybroadapproach tobeabletogetthebestvaluefrommoreadvancedtreatises. MythanksareduetoDrs. JohnDalingwater,AndrewMilner, andespeciallyPaulHillyardfortheiradviceonpalaeontological matters;toProfessorsEinarBursellforpermissiontouseFig. 8, takenfromhis An Introduction…