Page:The Geologist, volume 5.djvu/163

Rh with water. The eggs themselves are sold in cakes in the market, pounded and cooked, and also in lumps au naturel, forming a substance like the roe of a fish. This is known by the characteristic name of 'ahuauhtl,' that is, 'water-wheat.'"

The occurrence of the eggs of insects in the Mexican travertine,