Comparison With Annelid Worm Tubes
The empty calcareous tubes of certain marine annelid tube worms, for example the Serpulidae, can sometimes be casually misidentified as empty vermetid shells, and vice versa. The difference is that vermetid shells are shiny inside and have 3 shell layers, whereas the annelid worm tubes are dull inside and have only 2 shell layers.
Read more about this topic: Vermetidae
Famous quotes containing the words comparison with, comparison and/or worm:
“[Girls] study under the paralyzing idea that their acquirements cannot be brought into practical use. They may subserve the purposes of promoting individual domestic pleasure and social enjoyment in conversation, but what are they in comparison with the grand stimulation of independence and self- reliance, of the capability of contributing to the comfort and happiness of those whom they love as their own souls?”
—Sarah M. Grimke (1792–1873)
“It is comparison than makes people miserable.”
—Chinese proverb.
“Alas! and did my Saviour bleed,
And did my Sovereign die?
Would he devote that sacred Head
For such a worm as I?”
—Isaac Watts (1674–1748)