Prepared Microscope Slides in Systematic Order 49PREPARED MICROSCOPE SLIDESIN SYSTEMATIC ORDERThe list of the available microscopic specimens was also revised and further essentially completed. Their systematic arrangementfacilitates the finding of slides necessary to compile series for special use. A detailed list of contents is found on page 76.Helpful for orientation are the ••••• marked slides of important specimens which are characteristic and representative of the taxonomicgroup or of the subject.Various slides are available only in small number or have a long delivery period, as their material is either rare or causes unusualdifficulties in processing. This applies particularly to the slides marked with an asterisk * in the catalogue, for which we cannotguarantee delivery.Abbreviations: t.s. transverse or cross section l.s. longitudinal section w.m. whole mount or entire specimenPr112ePr1142hPr1162hPr115gPr114fPr119dPr121dPr122dPr211cPr212cPr213dPr221hPr223fPr2232hPr230fPr236fPR...