Origin of spongin
Examples from the Web for spongin
Historical Examples of spongin
You better hustle ahead with your spongin' off; I'm just about through here!The Deserter, and Other Stories
I can't stay an' be spongin' on you folks any longer, it wouldn't be proper.Dave Porter in the South Seas
The amount of spongin present is also different in different species.Freshwater Sponges, Hydroids & Polyzoa
In other species the spongin is intermixed with spicules of silica, or of carbonate of lime, in various shapes.
In this genus the skeleton is more or less flexible, being composed of spongin.