โ Scribed by Sando, Charles E.
No coin nor oath required. For personal study only.
Wurdack dealing principally with the distribution, general characteristics, and possible functions in plants of natural coloring matters. While the subject matter of this paper is still fresh in our minds, it seemed desirable to present at this time a number of additional facts of interest which relate to these coloring substances.
It is necessary to mention again only briefly a few salient points concerning the nature of the pigments themselves in view of the well-prepared rCsumC published. The brief references will be made solely to recall the compounds about which further discussion is to be had.
PLASTID PIGMENTS CHLOROPHYLLS AND CAROTINOIDS.
๐ SIMILAR VOLUMES
Aluminum as Flux. ROBERT GRIMSHAW.
l'crNn--llidory of Alizarin. [Jour. Frank. Inst, ccntum,\* we find tlwir anm,'tl saving to be 52 tons of coal, or about $20 G at S.4 per t,m ; the I)ri('e of three he,~ters for a [)oiler being about 8600, the heaters pay tbr lhc, n)seh'es in three years at most. The daily (.onsumpti,m (,f ,oal bein