igo Of Manna . 
laffc with fome Degree of Obliquity* b b. 
All the Figures round the Edges being 
Formed in Clufters, and making but half a 
Circle, bear a near Refemblance to Bundles 
of fpun Glafs. 
Some few Figures radiating from a Cen¬ 
ter every Way, and circumfcribed byan Out¬ 
line, are produced within the Drop, in the 
Manner ihewn d d. 
But the mod furprizing and elegant Con¬ 
figuration is compofed of many Clufters of 
Radiations fhooting one from another over 
great Part of the Drop, and making all to¬ 
gether a Figure not unlike a certain very 
beautiful Sea-Plant. Vid, C. The regular 
Cryftals may be feen at e. 
The Manna I examined was, I believe, 
genuine but I am told a great deal is made 
abroad, and fome in England , by an artful 
Compofition of Honey, Glauber s Salt, and 
perhaps fome other Ingredients. A late 
Writer fuppofes they make it abroad of Ho¬ 
ney, Sugar, and the Juice of a Tithymal or 
Spurge It is worth obferving, that in 
the 
• Chrijloph. a Cofla fays, that he faw a jlclitlous Manna 
fold at Ormux, which was alfo carried into feveral Provinces 
of Perjia , in larger Flakes and not fo white as the genuine 5 
but it was cheaper, and purged violently. And he was in¬ 
formed of its Compoiition by a certain Brachman, <viz. white 
. Starch, fome true Manna, Scammony, a Kind .of Seed 
. brought from Bengal by the Name of Vifa, the Powder of a 
Root called Dante , and fome Sugar, mixed together with 
a little perfumed Water, and expofed to the Sun.-■ 
Mejia 
