146 ELEMENTARY CHEMICAL MICROSCOPY 
Fig. 78. Reagent Set for Microchemical Analysis. (Behrens.) 
reagent box designed by Behrens/ differing from that of Behrens 
in only two particulars; in having upright stoppers in the vials 
'■ Anieitung z. Mikrochem. Anal., Leipzig, 1899, p. 29. 
